Scan traces 678 -  
    
    [INFO  ] [openpaperwork_core] Initializing plugin '<class 'openpaperwork_gtk.drawer.scan.Plugin'>' ...
    
    [INFO  ] [openpaperwork_core] Initializing plugin '<class 'ironscanner.gui.pages.scan.Plugin'>' ...
    
    [INFO  ] [openpaperwork_core] Initializing plugin '<class 'ironscanner.report.device.Plugin'>' ...
    
    [INFO  ] [openpaperwork_core] Initializing plugin '<class 'ironscanner.report.images.Plugin'>' ...
    
    [INFO  ] [openpaperwork_core] Initializing plugin '<class 'ironscanner.report.settings.Plugin'>' ...
    
    [INFO  ] [openpaperwork_core] Initializing plugin '<class 'ironscanner.report.success.Plugin'>' ...
    
    [INFO  ] [openpaperwork_core] Initializing plugin '<class 'openpaperwork_core.flatpak.Plugin'>' ...
    
    [INFO  ] [openpaperwork_core.flatpak] Flatpak environment: False
    
    [INFO  ] [openpaperwork_core] Initializing plugin '<class 'ironscanner.report.system.Plugin'>' ...
    
    [INFO  ] [openpaperwork_core] Initializing plugin '<class 'ironscanner.report.versions.Plugin'>' ...
    
    [INFO  ] [openpaperwork_core] Initializing plugin '<class 'ironscanner.report.user.Plugin'>' ...
    
    [INFO  ] [openpaperwork_core] Initializing plugin '<class 'ironscanner.upload.Plugin'>' ...
    
    [INFO  ] [openpaperwork_core] Initializing plugin '<class 'ironscanner.gui.pages.upload.Plugin'>' ...
    
    [INFO  ] [openpaperwork_core] Initializing plugin '<class 'openpaperwork_core.http.Plugin'>' ...
    
    [INFO  ] [openpaperwork_core] Initializing plugin '<class 'openpaperwork_gtk.bug_report.zip.Plugin'>' ...
    
    [INFO  ] [openpaperwork_core] Initializing plugin '<class 'ironscanner.gui.pages.upload_result.Plugin'>' ...
    
    [INFO  ] [openpaperwork_core] Initializing plugin '<class 'openpaperwork_gtk.busy.mouse.Plugin'>' ...
    
    [INFO  ] [openpaperwork_core] Initializing plugin '<class 'openpaperwork_core.censor.Plugin'>' ...
    
    [INFO  ] [openpaperwork_core] Initializing plugin '<class 'openpaperwork_gtk.colors.Plugin'>' ...
    
    [INFO  ] [openpaperwork_core] Initializing plugin '<class 'ironscanner.gui.pages.summary_after.Plugin'>' ...
    
    [INFO  ] [openpaperwork_core] Initializing plugin '<class 'ironscanner.gui.pages.summary_before.Plugin'>' ...
    
    [INFO  ] [openpaperwork_core] Initializing plugin '<class 'openpaperwork_core.bug_report.censor.Plugin'>' ...
    
    [INFO  ] [openpaperwork_core] Initializing plugin '<class 'openpaperwork_gtk.drawer.pillow.Plugin'>' ...
    
    [INFO  ] [openpaperwork_core] Initializing plugin '<class 'openpaperwork_core.urls.Plugin'>' ...
    
    [INFO  ] [openpaperwork_core] Initializing plugin '<class 'openpaperwork_gtk.dialogs.single_entry.Plugin'>' ...
    
    [INFO  ] [openpaperwork_core] Initializing plugin '<class 'openpaperwork_gtk.dialogs.yes_no.Plugin'>' ...
    
    [INFO  ] [openpaperwork_core] Initializing plugin '<class 'openpaperwork_core.perfcheck.log.Plugin'>' ...
    
    [INFO  ] [openpaperwork_core] Initializing plugin '<class 'openpaperwork_gtk.wait_for_background_tasks.Plugin'>' ...
    
    [INFO  ] [openpaperwork_core] Initializing plugin '<class 'openpaperwork_gtk.uncaught_exception.Plugin'>' ...
    
    [INFO  ] [openpaperwork_core] Initializing plugin '<class 'ironscanner.gui.pages.scan_result.Plugin'>' ...
    
    [INFO  ] [openpaperwork_core] Initializing plugin '<class 'openpaperwork_gtk.bug_report.http.Plugin'>' ...
    
    [INFO  ] [openpaperwork_core] 64 plugins initialized
    
    [INFO  ] [ironscanner.gui.mainform] Adding page 'Introduction'
    
    [INFO  ] [ironscanner.gui.mainform] Adding page 'Test parameters'
    
    [INFO  ] [ironscanner.gui.mainform] Adding page 'Ready ?'
    
    [INFO  ] [ironscanner.gui.mainform] Adding page 'Let's scan !'
    
    [INFO  ] [ironscanner.gui.mainform] Adding page 'Extras'
    
    [INFO  ] [ironscanner.gui.mainform] Adding page 'Test done'
    
    [INFO  ] [ironscanner.gui.mainform] Adding page 'Sending results'
    
    [INFO  ] [ironscanner.gui.mainform] Adding page 'Thank you'
    
    [INFO  ] [ironscanner.main] Ready
    
    [INFO  ] [openpaperwork_core.thread.pool] Thread paperwork_thread_0 ready
    
    [INFO  ] [openpaperwork_core.thread.pool] Thread paperwork_thread_1 ready
    
    [INFO  ] [openpaperwork_core.thread.pool] Thread paperwork_thread_2 ready
    
    [INFO  ] [openpaperwork_core.thread.pool] Thread paperwork_thread_3 ready
    
    [INFO  ] [paperwork_backend.docscan.libinsane] Looking for scan devices ...
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L212(ensure_sane_is_init): Sane version code: 0x1020001
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L311(lis_sane_list_devices): Sane: list_devices() ...
    
    [INFO  ] [ironscanner.gui.pages.settings] Scanner type image: flatbed_and_feeder.png
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L364(lis_sane_list_devices): Sane: list_devices(): 1 devices found
    
    [INFO  ] [paperwork_backend.docscan.libinsane] 1 devices found: [('libinsane:sane:pixma:04A91787_3624DC', 'CANON PIXMA MX490 Series', 'CANON', 'PIXMA MX490 Series')]
    
    [INFO  ] [ironscanner.gui.pages.settings] Scanner: libinsane:sane:pixma:04A91787_3624DC - CANON PIXMA MX490 Series
    
    [INFO  ] [ironscanner.gui.pages.settings] Selected scanner:
    
    [INFO  ] [ironscanner.gui.pages.settings] Selected scanner: libinsane:sane:pixma:04A91787_3624DC
    
    [INFO  ] [paperwork_backend.docscan.libinsane] Accessing scanner 'sane:pixma:04A91787_3624DC' ...
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L386(lis_sane_get_device): Sane: get_device(pixma:04A91787_3624DC) ...
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L410(lis_sane_get_device): Sane: get_device(pixma:04A91787_3624DC): OK
    
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L783(lis_sane_check_opt_descriptor): Invalid option descriptor: missing option name
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L816(lis_sane_check_opt_descriptor): Device [pixma:04A91787_3624DC]: Invalid or unsupported option descriptor [(null)](1 ; [Scan mode] ; [Scan mode] ; [5]). Ignored
    
    
    [INFO  ] [paperwork_backend.docscan.libinsane] Scanner 'pixma:04A91787_3624DC' opened
    
    [INFO  ] [paperwork_backend.docscan.libinsane] Looking for scan sources on pixma:04A91787_3624DC ...
    
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L783(lis_sane_check_opt_descriptor): Invalid option descriptor: missing option name
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L816(lis_sane_check_opt_descriptor): Device [pixma:04A91787_3624DC]: Invalid or unsupported option descriptor [(null)](6 ; [Gamma] ; [Gamma] ; [5]). Ignored
    
    
    [INFO  ] [paperwork_backend.docscan.libinsane] 2 sources found: [<paperwork_backend.docscan.libinsane.Source object at 0x7f5db87fb7d0>, <paperwork_backend.docscan.libinsane.Source object at 0x7f5db8622600>]
    
    [INFO  ] [ironscanner.gui.pages.settings] Source: flatbed
    
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L806(lis_sane_check_opt_descriptor): Unexpected value size for option gamma-table(1) = 4096B. Expected: 4B
    
    
    [INFO  ] [ironscanner.gui.pages.settings] Source: feeder
    
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L816(lis_sane_check_opt_descriptor): Device [pixma:04A91787_3624DC]: Invalid or unsupported option descriptor [gamma-table](8 ; [Image intensity] ; [Gamma-correction table with 1024 entries. In color mode this option equally affects the red, green, and blue channels simultaneously (i.e., it is an intensity gamma table).] ; [1]). Ignored
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L783(lis_sane_check_opt_descriptor): Invalid option descriptor: missing option name
    
    
    [INFO  ] [paperwork_backend.docscan.libinsane] Looking for possible values for option 'resolution' on pixma:04A91787_3624DC : flatbed ...
    
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L816(lis_sane_check_opt_descriptor): Device [pixma:04A91787_3624DC]: Invalid or unsupported option descriptor [(null)](10 ; [Geometry] ; [Geometry] ; [5]). Ignored
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L783(lis_sane_check_opt_descriptor): Invalid option descriptor: missing option name
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L816(lis_sane_check_opt_descriptor): Device [pixma:04A91787_3624DC]: Invalid or unsupported option descriptor [(null)](15 ; [Buttons] ; [Buttons] ; [5]). Ignored
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L799(lis_sane_check_opt_descriptor): Unsupported option type: button-update=4
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L816(lis_sane_check_opt_descriptor): Device [pixma:04A91787_3624DC]: Invalid or unsupported option descriptor [button-update](16 ; [Update button state] ; [Update button state] ; [4]). Ignored
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L783(lis_sane_check_opt_descriptor): Invalid option descriptor: missing option name
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L816(lis_sane_check_opt_descriptor): Device [pixma:04A91787_3624DC]: Invalid or unsupported option descriptor [(null)](25 ; [Extras] ; [Extras] ; [5]). Ignored
    
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L569(item_filter): Setting default values on item 'pixma:04A91787_3624DC'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L475(set_default_values): normalizers_safe_defaults: set_default_value(mode) ...
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L279(cache_get_options): pixma:04A91787_3624DC->get_options(): returning cached options
    
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/opt_names.c:L113(opt_desc_filter): Found option 'scan-resolution' but option 'resolution' already exists too, so we can't rename it.
    
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/resolution.c:L231(opt_desc_filter): No change to do on option 'resolution'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L307(set_str): Setting option 'mode' to 'Color'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L215(cache_set_value): mode->set_value(): attempting to set what is already the current value --> ignored
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L317(set_str): 'mode'='Color': 0x0, Success (set_flags=0x0)
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L527(set_default_values): normalizers_safe_defaults: set_default_value(mode): OK
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L475(set_default_values): normalizers_safe_defaults: set_default_value(preview) ...
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L506(set_default_values): normalizers_safe_defaults: set_default_value(preview): Option not found
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L475(set_default_values): normalizers_safe_defaults: set_default_value(resolution) ...
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L408(set_int): Setting option 'resolution' (1) to '300'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L447(set_int): 'resolution'='300': 0x0, Success (set_flags=0x4)
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L527(set_default_values): normalizers_safe_defaults: set_default_value(resolution): OK
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L475(set_default_values): normalizers_safe_defaults: set_default_value(tl-x) ...
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L264(set_to_limit): Current value of option 'tl-x' = 0,000000
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L275(set_to_limit): Option 'tl-x' already to the min
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L527(set_default_values): normalizers_safe_defaults: set_default_value(tl-x): OK
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L475(set_default_values): normalizers_safe_defaults: set_default_value(tl-y) ...
    
    [INFO  ] [paperwork_backend.docscan.libinsane] pixma:04A91787_3624DC : flatbed : resolution : Possible values: [75, 150, 300, 600]
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L264(set_to_limit): Current value of option 'tl-y' = 0,000000
    
    [INFO  ] [paperwork_backend.docscan.libinsane] Looking for possible values for option 'mode' on pixma:04A91787_3624DC : flatbed ...
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L275(set_to_limit): Option 'tl-y' already to the min
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L527(set_default_values): normalizers_safe_defaults: set_default_value(tl-y): OK
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L475(set_default_values): normalizers_safe_defaults: set_default_value(br-x) ...
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L264(set_to_limit): Current value of option 'br-x' = 216,069321
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L268(set_to_limit): Option 'br-x' already to the max
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L527(set_default_values): normalizers_safe_defaults: set_default_value(br-x): OK
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L475(set_default_values): normalizers_safe_defaults: set_default_value(br-y) ...
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L264(set_to_limit): Current value of option 'br-y' = 355,599991
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L268(set_to_limit): Option 'br-y' already to the max
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L527(set_default_values): normalizers_safe_defaults: set_default_value(br-y): OK
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L475(set_default_values): normalizers_safe_defaults: set_default_value(page-width) ...
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L506(set_default_values): normalizers_safe_defaults: set_default_value(page-width): Option not found
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L475(set_default_values): normalizers_safe_defaults: set_default_value(page-height) ...
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L506(set_default_values): normalizers_safe_defaults: set_default_value(page-height): Option not found
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L475(set_default_values): normalizers_safe_defaults: set_default_value(ald) ...
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L506(set_default_values): normalizers_safe_defaults: set_default_value(ald): Option not found
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L475(set_default_values): normalizers_safe_defaults: set_default_value(test-picture) ...
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L506(set_default_values): normalizers_safe_defaults: set_default_value(test-picture): Option not found
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L475(set_default_values): normalizers_safe_defaults: set_default_value(pages) ...
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L506(set_default_values): normalizers_safe_defaults: set_default_value(pages): Option not found
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L475(set_default_values): normalizers_safe_defaults: set_default_value(transfer_count) ...
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L506(set_default_values): normalizers_safe_defaults: set_default_value(transfer_count): Option not found
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L475(set_default_values): normalizers_safe_defaults: set_default_value(compression) ...
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L506(set_default_values): normalizers_safe_defaults: set_default_value(compression): Option not found
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L475(set_default_values): normalizers_safe_defaults: set_default_value(transfer_mechanism) ...
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L506(set_default_values): normalizers_safe_defaults: set_default_value(transfer_mechanism): Option not found
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L475(set_default_values): normalizers_safe_defaults: set_default_value(image_file_format) ...
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L506(set_default_values): normalizers_safe_defaults: set_default_value(image_file_format): Option not found
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L475(set_default_values): normalizers_safe_defaults: set_default_value(bit_depth) ...
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L506(set_default_values): normalizers_safe_defaults: set_default_value(bit_depth): Option not found
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L475(set_default_values): normalizers_safe_defaults: set_default_value(indicators) ...
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L506(set_default_values): normalizers_safe_defaults: set_default_value(indicators): Option not found
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L475(set_default_values): normalizers_safe_defaults: set_default_value(supported_sizes) ...
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L506(set_default_values): normalizers_safe_defaults: set_default_value(supported_sizes): Option not found
    
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L783(lis_sane_check_opt_descriptor): Invalid option descriptor: missing option name
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L816(lis_sane_check_opt_descriptor): Device [pixma:04A91787_3624DC]: Invalid or unsupported option descriptor [(null)](1 ; [Scan mode] ; [Scan mode] ; [5]). Ignored
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L783(lis_sane_check_opt_descriptor): Invalid option descriptor: missing option name
    
    
    [INFO  ] [paperwork_backend.docscan.libinsane] pixma:04A91787_3624DC : flatbed : mode : Possible values: ['Color', 'Gray', 'LineArt']
    
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L816(lis_sane_check_opt_descriptor): Device [pixma:04A91787_3624DC]: Invalid or unsupported option descriptor [(null)](6 ; [Gamma] ; [Gamma] ; [5]). Ignored
    
    
    [INFO  ] [ironscanner.gui.pages.settings] Option 'resolutions': possible value: 75
    
    [INFO  ] [ironscanner.gui.pages.settings] Option 'resolutions': possible value: 150
    
    [INFO  ] [ironscanner.gui.pages.settings] Option 'resolutions': possible value: 300
    
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L806(lis_sane_check_opt_descriptor): Unexpected value size for option gamma-table(1) = 4096B. Expected: 4B
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L816(lis_sane_check_opt_descriptor): Device [pixma:04A91787_3624DC]: Invalid or unsupported option descriptor [gamma-table](8 ; [Image intensity] ; [Gamma-correction table with 1024 entries. In color mode this option equally affects the red, green, and blue channels simultaneously (i.e., it is an intensity gamma table).] ; [1]). Ignored
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L783(lis_sane_check_opt_descriptor): Invalid option descriptor: missing option name
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L816(lis_sane_check_opt_descriptor): Device [pixma:04A91787_3624DC]: Invalid or unsupported option descriptor [(null)](10 ; [Geometry] ; [Geometry] ; [5]). Ignored
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L783(lis_sane_check_opt_descriptor): Invalid option descriptor: missing option name
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L816(lis_sane_check_opt_descriptor): Device [pixma:04A91787_3624DC]: Invalid or unsupported option descriptor [(null)](15 ; [Buttons] ; [Buttons] ; [5]). Ignored
    
    
    [INFO  ] [ironscanner.gui.pages.settings] Option 'resolutions': possible value: 600
    
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L799(lis_sane_check_opt_descriptor): Unsupported option type: button-update=4
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L816(lis_sane_check_opt_descriptor): Device [pixma:04A91787_3624DC]: Invalid or unsupported option descriptor [button-update](16 ; [Update button state] ; [Update button state] ; [4]). Ignored
    
    
    [INFO  ] [ironscanner.gui.pages.settings] Resolution = 300
    
    [INFO  ] [ironscanner.gui.pages.settings] Option 'modes': possible value: Color
    
    [INFO  ] [ironscanner.gui.pages.settings] Option 'modes': possible value: Gray
    
    [INFO  ] [ironscanner.gui.pages.settings] Option 'modes': possible value: LineArt
    
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L783(lis_sane_check_opt_descriptor): Invalid option descriptor: missing option name
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L816(lis_sane_check_opt_descriptor): Device [pixma:04A91787_3624DC]: Invalid or unsupported option descriptor [(null)](25 ; [Extras] ; [Extras] ; [5]). Ignored
    
    
    [INFO  ] [ironscanner.gui.pages.settings] Mode = Color
    
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/opt_names.c:L113(opt_desc_filter): Found option 'scan-resolution' but option 'resolution' already exists too, so we can't rename it.
    
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/resolution.c:L231(opt_desc_filter): No change to do on option 'resolution'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/source_nodes.c:L215(lis_sn_dev_get_children): Generating 2 sources from constraint of option source
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/source_names.c:L215(item_filter): Flatbed -> ^flatbed(.*) ->  (7-7) -> flatbed
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/source_names.c:L215(item_filter): Automatic Document Feeder -> ^automatic document feeder(.*) ->  (25-25) -> feeder
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/source_types.c:L99(item_filter): Item 'flatbed': type = 1 (regex 0)
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/source_types.c:L99(item_filter): Item 'feeder': type = 2 (regex 1)
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/source_nodes.c:L280(set_source): Setting source to 'Flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L279(cache_get_options): pixma:04A91787_3624DC->get_options(): returning cached options
    
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/opt_names.c:L113(opt_desc_filter): Found option 'scan-resolution' but option 'resolution' already exists too, so we can't rename it.
    
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/resolution.c:L231(opt_desc_filter): No change to do on option 'resolution'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L215(cache_set_value): source->set_value(): attempting to set what is already the current value --> ignored
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/source_nodes.c:L306(set_source): Source set to 'Flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L279(cache_get_options): pixma:04A91787_3624DC->get_options(): returning cached options
    
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/opt_names.c:L113(opt_desc_filter): Found option 'scan-resolution' but option 'resolution' already exists too, so we can't rename it.
    
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/resolution.c:L231(opt_desc_filter): No change to do on option 'resolution'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L285(opts_source_get_options): Number of options, on root item: 22, on source item: 0
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'resolution' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'mode' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'source' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'button-controlled' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'custom-gamma' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'gamma' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'tl-x' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'tl-y' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'br-x' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'br-y' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'button-1' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'button-2' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'original' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'target' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'scan-resolution' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'document-type' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'adf-status' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'adf-orientation' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'threshold' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'threshold-curve' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'adf-wait' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'calibrate' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [resolution] [Scan resolution] [Sets the resolution of the scanned image.] --> 0x55555810d4f4
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [mode] [Scan mode] [Selects the scan mode (e.g., lineart, monochrome, or color).] --> 0x55555810d565
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [source] [Scan source] [Selects the scan source (such as a document-feeder). Set source before mode and resolution. Resets mode and resolution to auto values.] --> 0x55555810d5e0
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [button-controlled] [Button-controlled scan] [When enabled, scan process will not start immediately. To proceed, press "SCAN" button (for MP150) or "COLOR" button (for other models). To cancel, press "GRAY" button.] --> 0x55555810d6b8
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [custom-gamma] [Use custom gamma table] [Determines whether a builtin or a custom gamma-table should be used.] --> 0x55555810d7a2
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [gamma] [Gamma function exponent] [Changes intensity of midtones] --> 0x55555810d823
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [tl-x] [Top-left x] [Top-left x position of scan area.] --> 0x55555810d88f
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [tl-y] [Top-left y] [Top-left y position of scan area.] --> 0x55555810d8f1
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [br-x] [Bottom-right x] [Bottom-right x position of scan area.] --> 0x55555810d953
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [br-y] [Bottom-right y] [Bottom-right y position of scan area.] --> 0x55555810d9bd
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [button-1] [Button 1] [Button 1] --> 0x55555810da27
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [button-2] [Button 2] [Button 2] --> 0x55555810da5a
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [original] [Type of original to scan] [Type of original to scan] --> 0x55555810da8d
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [target] [Target operation type] [Target operation type] --> 0x55555810dae0
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [scan-resolution] [Scan resolution] [Scan resolution] --> 0x55555810db2b
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [document-type] [Document type] [Document type] --> 0x55555810db73
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [adf-status] [ADF status] [ADF status] --> 0x55555810dbb5
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [adf-orientation] [ADF orientation] [ADF orientation] --> 0x55555810dbee
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [threshold] [Threshold] [Select minimum-brightness to get a white point] --> 0x55555810dc36
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [threshold-curve] [Threshold curve] [Dynamic threshold curve, from light to dark, normally 50-65] --> 0x55555810dc9d
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [adf-wait] [ADF Waiting Time] [When set, the scanner waits up to the specified time in seconds for a new document inserted into the automatic document feeder.] --> 0x55555810dd1d
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [calibrate] [Calibration] [When to perform scanner calibration. If you choose "Once" it will be performed a single time per driver init for single page scans, and for the first page for each ADF scan.] --> 0x55555810dddb
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/source_nodes.c:L280(set_source): Setting source to 'Flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L279(cache_get_options): pixma:04A91787_3624DC->get_options(): returning cached options
    
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/opt_names.c:L113(opt_desc_filter): Found option 'scan-resolution' but option 'resolution' already exists too, so we can't rename it.
    
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/resolution.c:L231(opt_desc_filter): No change to do on option 'resolution'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L148(cache_get_value): source->get_value(): Using cached value
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L215(cache_set_value): source->set_value(): attempting to set what is already the current value --> ignored
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/source_nodes.c:L306(set_source): Source set to 'Flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L279(cache_get_options): pixma:04A91787_3624DC->get_options(): returning cached options
    
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/opt_names.c:L113(opt_desc_filter): Found option 'scan-resolution' but option 'resolution' already exists too, so we can't rename it.
    
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/resolution.c:L231(opt_desc_filter): No change to do on option 'resolution'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L285(opts_source_get_options): Number of options, on root item: 22, on source item: 0
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'resolution' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'mode' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'source' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'button-controlled' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'custom-gamma' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'gamma' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'tl-x' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'tl-y' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'br-x' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'br-y' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'button-1' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'button-2' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'original' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'target' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'scan-resolution' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'document-type' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'adf-status' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'adf-orientation' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'threshold' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'threshold-curve' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'adf-wait' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'calibrate' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [resolution] [Scan resolution] [Sets the resolution of the scanned image.] --> 0x55555810d5b4
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [mode] [Scan mode] [Selects the scan mode (e.g., lineart, monochrome, or color).] --> 0x55555810d625
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [source] [Scan source] [Selects the scan source (such as a document-feeder). Set source before mode and resolution. Resets mode and resolution to auto values.] --> 0x55555810d6a0
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [button-controlled] [Button-controlled scan] [When enabled, scan process will not start immediately. To proceed, press "SCAN" button (for MP150) or "COLOR" button (for other models). To cancel, press "GRAY" button.] --> 0x55555810d778
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [custom-gamma] [Use custom gamma table] [Determines whether a builtin or a custom gamma-table should be used.] --> 0x55555810d862
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [gamma] [Gamma function exponent] [Changes intensity of midtones] --> 0x55555810d8e3
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [tl-x] [Top-left x] [Top-left x position of scan area.] --> 0x55555810d94f
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [tl-y] [Top-left y] [Top-left y position of scan area.] --> 0x55555810d9b1
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [br-x] [Bottom-right x] [Bottom-right x position of scan area.] --> 0x55555810da13
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [br-y] [Bottom-right y] [Bottom-right y position of scan area.] --> 0x55555810da7d
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [button-1] [Button 1] [Button 1] --> 0x55555810dae7
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [button-2] [Button 2] [Button 2] --> 0x55555810db1a
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [original] [Type of original to scan] [Type of original to scan] --> 0x55555810db4d
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [target] [Target operation type] [Target operation type] --> 0x55555810dba0
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [scan-resolution] [Scan resolution] [Scan resolution] --> 0x55555810dbeb
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [document-type] [Document type] [Document type] --> 0x55555810dc33
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [adf-status] [ADF status] [ADF status] --> 0x55555810dc75
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [adf-orientation] [ADF orientation] [ADF orientation] --> 0x55555810dcae
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [threshold] [Threshold] [Select minimum-brightness to get a white point] --> 0x55555810dcf6
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [threshold-curve] [Threshold curve] [Dynamic threshold curve, from light to dark, normally 50-65] --> 0x55555810dd5d
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [adf-wait] [ADF Waiting Time] [When set, the scanner waits up to the specified time in seconds for a new document inserted into the automatic document feeder.] --> 0x55555810dddd
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [calibrate] [Calibration] [When to perform scanner calibration. If you choose "Once" it will be performed a single time per driver init for single page scans, and for the first page for each ADF scan.] --> 0x55555810de9b
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/source_nodes.c:L280(set_source): Setting source to 'Flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L279(cache_get_options): pixma:04A91787_3624DC->get_options(): returning cached options
    
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/opt_names.c:L113(opt_desc_filter): Found option 'scan-resolution' but option 'resolution' already exists too, so we can't rename it.
    
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/resolution.c:L231(opt_desc_filter): No change to do on option 'resolution'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L148(cache_get_value): source->get_value(): Using cached value
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L215(cache_set_value): source->set_value(): attempting to set what is already the current value --> ignored
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/source_nodes.c:L306(set_source): Source set to 'Flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L279(cache_get_options): pixma:04A91787_3624DC->get_options(): returning cached options
    
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/opt_names.c:L113(opt_desc_filter): Found option 'scan-resolution' but option 'resolution' already exists too, so we can't rename it.
    
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/resolution.c:L231(opt_desc_filter): No change to do on option 'resolution'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L285(opts_source_get_options): Number of options, on root item: 22, on source item: 0
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'resolution' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'mode' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'source' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'button-controlled' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'custom-gamma' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'gamma' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'tl-x' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'tl-y' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'br-x' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'br-y' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'button-1' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'button-2' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'original' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'target' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'scan-resolution' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'document-type' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'adf-status' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'adf-orientation' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'threshold' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'threshold-curve' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'adf-wait' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'calibrate' from root item to child item 'flatbed'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [resolution] [Scan resolution] [Sets the resolution of the scanned image.] --> 0x55555810d4f4
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [mode] [Scan mode] [Selects the scan mode (e.g., lineart, monochrome, or color).] --> 0x55555810d565
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [source] [Scan source] [Selects the scan source (such as a document-feeder). Set source before mode and resolution. Resets mode and resolution to auto values.] --> 0x55555810d5e0
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [button-controlled] [Button-controlled scan] [When enabled, scan process will not start immediately. To proceed, press "SCAN" button (for MP150) or "COLOR" button (for other models). To cancel, press "GRAY" button.] --> 0x55555810d6b8
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [custom-gamma] [Use custom gamma table] [Determines whether a builtin or a custom gamma-table should be used.] --> 0x55555810d7a2
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [gamma] [Gamma function exponent] [Changes intensity of midtones] --> 0x55555810d823
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [tl-x] [Top-left x] [Top-left x position of scan area.] --> 0x55555810d88f
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [tl-y] [Top-left y] [Top-left y position of scan area.] --> 0x55555810d8f1
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [br-x] [Bottom-right x] [Bottom-right x position of scan area.] --> 0x55555810d953
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [br-y] [Bottom-right y] [Bottom-right y position of scan area.] --> 0x55555810d9bd
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [button-1] [Button 1] [Button 1] --> 0x55555810da27
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [button-2] [Button 2] [Button 2] --> 0x55555810da5a
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [original] [Type of original to scan] [Type of original to scan] --> 0x55555810da8d
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [target] [Target operation type] [Target operation type] --> 0x55555810dae0
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [scan-resolution] [Scan resolution] [Scan resolution] --> 0x55555810db2b
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [document-type] [Document type] [Document type] --> 0x55555810db73
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [adf-status] [ADF status] [ADF status] --> 0x55555810dbb5
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [adf-orientation] [ADF orientation] [ADF orientation] --> 0x55555810dbee
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [threshold] [Threshold] [Select minimum-brightness to get a white point] --> 0x55555810dc36
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [threshold-curve] [Threshold curve] [Dynamic threshold curve, from light to dark, normally 50-65] --> 0x55555810dc9d
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [adf-wait] [ADF Waiting Time] [When set, the scanner waits up to the specified time in seconds for a new document inserted into the automatic document feeder.] --> 0x55555810dd1d
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [calibrate] [Calibration] [When to perform scanner calibration. If you choose "Once" it will be performed a single time per driver init for single page scans, and for the first page for each ADF scan.] --> 0x55555810dddb
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L148(cache_get_value): source->get_value(): Using cached value
    
    
    [ERROR ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/master.c:L317(remote_call): opt_get_value() failed: 0x40000008, Access denied
    
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/check_capabilities.c:L16(get_value): get_value(threshold) -> capabilities prevent getting the value
    
    
    [ERROR ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L157(cache_get_value): threshold->get_value() failed: 0x40000008, Access denied
    
    [ERROR ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/master.c:L317(remote_call): opt_get_value() failed: 0x40000008, Access denied
    
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/check_capabilities.c:L16(get_value): get_value(threshold-curve) -> capabilities prevent getting the value
    
    
    [ERROR ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/master.c:L317(remote_call): opt_get_value() failed: 0x40000008, Access denied
    
    [ERROR ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L157(cache_get_value): threshold-curve->get_value() failed: 0x40000008, Access denied
    
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/check_capabilities.c:L16(get_value): get_value(adf-wait) -> capabilities prevent getting the value
    
    
    [ERROR ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L157(cache_get_value): adf-wait->get_value() failed: 0x40000008, Access denied
    
    
    [INFO  ] [paperwork_backend.docscan.libinsane] Looking for possible values for option 'resolution' on pixma:04A91787_3624DC : feeder ...
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/source_nodes.c:L280(set_source): Setting source to 'Automatic Document Feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L279(cache_get_options): pixma:04A91787_3624DC->get_options(): returning cached options
    
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/opt_names.c:L113(opt_desc_filter): Found option 'scan-resolution' but option 'resolution' already exists too, so we can't rename it.
    
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/resolution.c:L231(opt_desc_filter): No change to do on option 'resolution'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L148(cache_get_value): source->get_value(): Using cached value
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/source_nodes.c:L306(set_source): Source set to 'Automatic Document Feeder'
    
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L783(lis_sane_check_opt_descriptor): Invalid option descriptor: missing option name
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L816(lis_sane_check_opt_descriptor): Device [pixma:04A91787_3624DC]: Invalid or unsupported option descriptor [(null)](1 ; [Scan mode] ; [Scan mode] ; [5]). Ignored
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L783(lis_sane_check_opt_descriptor): Invalid option descriptor: missing option name
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L816(lis_sane_check_opt_descriptor): Device [pixma:04A91787_3624DC]: Invalid or unsupported option descriptor [(null)](6 ; [Gamma] ; [Gamma] ; [5]). Ignored
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L806(lis_sane_check_opt_descriptor): Unexpected value size for option gamma-table(1) = 4096B. Expected: 4B
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L816(lis_sane_check_opt_descriptor): Device [pixma:04A91787_3624DC]: Invalid or unsupported option descriptor [gamma-table](8 ; [Image intensity] ; [Gamma-correction table with 1024 entries. In color mode this option equally affects the red, green, and blue channels simultaneously (i.e., it is an intensity gamma table).] ; [1]). Ignored
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L783(lis_sane_check_opt_descriptor): Invalid option descriptor: missing option name
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L816(lis_sane_check_opt_descriptor): Device [pixma:04A91787_3624DC]: Invalid or unsupported option descriptor [(null)](10 ; [Geometry] ; [Geometry] ; [5]). Ignored
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L783(lis_sane_check_opt_descriptor): Invalid option descriptor: missing option name
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L816(lis_sane_check_opt_descriptor): Device [pixma:04A91787_3624DC]: Invalid or unsupported option descriptor [(null)](15 ; [Buttons] ; [Buttons] ; [5]). Ignored
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L799(lis_sane_check_opt_descriptor): Unsupported option type: button-update=4
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L816(lis_sane_check_opt_descriptor): Device [pixma:04A91787_3624DC]: Invalid or unsupported option descriptor [button-update](16 ; [Update button state] ; [Update button state] ; [4]). Ignored
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L783(lis_sane_check_opt_descriptor): Invalid option descriptor: missing option name
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L816(lis_sane_check_opt_descriptor): Device [pixma:04A91787_3624DC]: Invalid or unsupported option descriptor [(null)](25 ; [Extras] ; [Extras] ; [5]). Ignored
    
    
    [INFO  ] [paperwork_backend.docscan.libinsane] pixma:04A91787_3624DC : feeder : resolution : Possible values: [75, 150, 300, 600]
    
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/opt_names.c:L113(opt_desc_filter): Found option 'scan-resolution' but option 'resolution' already exists too, so we can't rename it.
    
    
    [INFO  ] [paperwork_backend.docscan.libinsane] Looking for possible values for option 'mode' on pixma:04A91787_3624DC : feeder ...
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/resolution.c:L231(opt_desc_filter): No change to do on option 'resolution'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L285(opts_source_get_options): Number of options, on root item: 22, on source item: 0
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'resolution' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'mode' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'source' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'button-controlled' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'custom-gamma' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'gamma' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'tl-x' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'tl-y' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'br-x' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'br-y' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'button-1' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'button-2' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'original' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'target' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'scan-resolution' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'document-type' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'adf-status' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'adf-orientation' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'threshold' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'threshold-curve' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'adf-wait' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'calibrate' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [resolution] [Scan resolution] [Sets the resolution of the scanned image.] --> 0x55555810d5b4
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [mode] [Scan mode] [Selects the scan mode (e.g., lineart, monochrome, or color).] --> 0x55555810d625
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [source] [Scan source] [Selects the scan source (such as a document-feeder). Set source before mode and resolution. Resets mode and resolution to auto values.] --> 0x55555810d6a0
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [button-controlled] [Button-controlled scan] [When enabled, scan process will not start immediately. To proceed, press "SCAN" button (for MP150) or "COLOR" button (for other models). To cancel, press "GRAY" button.] --> 0x55555810d778
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [custom-gamma] [Use custom gamma table] [Determines whether a builtin or a custom gamma-table should be used.] --> 0x55555810d862
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [gamma] [Gamma function exponent] [Changes intensity of midtones] --> 0x55555810d8e3
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [tl-x] [Top-left x] [Top-left x position of scan area.] --> 0x55555810d94f
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [tl-y] [Top-left y] [Top-left y position of scan area.] --> 0x55555810d9b1
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [br-x] [Bottom-right x] [Bottom-right x position of scan area.] --> 0x55555810da13
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [br-y] [Bottom-right y] [Bottom-right y position of scan area.] --> 0x55555810da7d
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [button-1] [Button 1] [Button 1] --> 0x55555810dae7
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [button-2] [Button 2] [Button 2] --> 0x55555810db1a
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [original] [Type of original to scan] [Type of original to scan] --> 0x55555810db4d
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [target] [Target operation type] [Target operation type] --> 0x55555810dba0
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [scan-resolution] [Scan resolution] [Scan resolution] --> 0x55555810dbeb
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [document-type] [Document type] [Document type] --> 0x55555810dc33
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [adf-status] [ADF status] [ADF status] --> 0x55555810dc75
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [adf-orientation] [ADF orientation] [ADF orientation] --> 0x55555810dcae
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [threshold] [Threshold] [Select minimum-brightness to get a white point] --> 0x55555810dcf6
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [threshold-curve] [Threshold curve] [Dynamic threshold curve, from light to dark, normally 50-65] --> 0x55555810dd5d
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [adf-wait] [ADF Waiting Time] [When set, the scanner waits up to the specified time in seconds for a new document inserted into the automatic document feeder.] --> 0x55555810dddd
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [calibrate] [Calibration] [When to perform scanner calibration. If you choose "Once" it will be performed a single time per driver init for single page scans, and for the first page for each ADF scan.] --> 0x55555810de9b
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/source_nodes.c:L280(set_source): Setting source to 'Automatic Document Feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L279(cache_get_options): pixma:04A91787_3624DC->get_options(): returning cached options
    
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/opt_names.c:L113(opt_desc_filter): Found option 'scan-resolution' but option 'resolution' already exists too, so we can't rename it.
    
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/resolution.c:L231(opt_desc_filter): No change to do on option 'resolution'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L215(cache_set_value): source->set_value(): attempting to set what is already the current value --> ignored
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/source_nodes.c:L306(set_source): Source set to 'Automatic Document Feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L279(cache_get_options): pixma:04A91787_3624DC->get_options(): returning cached options
    
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/opt_names.c:L113(opt_desc_filter): Found option 'scan-resolution' but option 'resolution' already exists too, so we can't rename it.
    
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/resolution.c:L231(opt_desc_filter): No change to do on option 'resolution'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] pixma:04A91787_3624DC : feeder : mode : Possible values: ['Color', 'Gray', 'LineArt']
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L285(opts_source_get_options): Number of options, on root item: 22, on source item: 0
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'resolution' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'mode' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'source' from root item to child item 'feeder'
    
    [INFO  ] [ironscanner.gui.pages.settings] Option 'resolutions': possible value: 75
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'button-controlled' from root item to child item 'feeder'
    
    [INFO  ] [ironscanner.gui.pages.settings] Option 'resolutions': possible value: 150
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'custom-gamma' from root item to child item 'feeder'
    
    [INFO  ] [ironscanner.gui.pages.settings] Option 'resolutions': possible value: 300
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'gamma' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'tl-x' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'tl-y' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'br-x' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'br-y' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'button-1' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'button-2' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'original' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'target' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'scan-resolution' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'document-type' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'adf-status' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'adf-orientation' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'threshold' from root item to child item 'feeder'
    
    [INFO  ] [ironscanner.gui.pages.settings] Option 'resolutions': possible value: 600
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'threshold-curve' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'adf-wait' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'calibrate' from root item to child item 'feeder'
    
    [INFO  ] [ironscanner.gui.pages.settings] Resolution = 300
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [resolution] [Scan resolution] [Sets the resolution of the scanned image.] --> 0x55555810d674
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [mode] [Scan mode] [Selects the scan mode (e.g., lineart, monochrome, or color).] --> 0x55555810d6e5
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [source] [Scan source] [Selects the scan source (such as a document-feeder). Set source before mode and resolution. Resets mode and resolution to auto values.] --> 0x55555810d760
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [button-controlled] [Button-controlled scan] [When enabled, scan process will not start immediately. To proceed, press "SCAN" button (for MP150) or "COLOR" button (for other models). To cancel, press "GRAY" button.] --> 0x55555810d838
    
    [INFO  ] [ironscanner.gui.pages.settings] Option 'modes': possible value: Color
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [custom-gamma] [Use custom gamma table] [Determines whether a builtin or a custom gamma-table should be used.] --> 0x55555810d922
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [gamma] [Gamma function exponent] [Changes intensity of midtones] --> 0x55555810d9a3
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [tl-x] [Top-left x] [Top-left x position of scan area.] --> 0x55555810da0f
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [tl-y] [Top-left y] [Top-left y position of scan area.] --> 0x55555810da71
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [br-x] [Bottom-right x] [Bottom-right x position of scan area.] --> 0x55555810dad3
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [br-y] [Bottom-right y] [Bottom-right y position of scan area.] --> 0x55555810db3d
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [button-1] [Button 1] [Button 1] --> 0x55555810dba7
    
    [INFO  ] [ironscanner.gui.pages.settings] Option 'modes': possible value: Gray
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [button-2] [Button 2] [Button 2] --> 0x55555810dbda
    
    [INFO  ] [ironscanner.gui.pages.settings] Option 'modes': possible value: LineArt
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [original] [Type of original to scan] [Type of original to scan] --> 0x55555810dc0d
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [target] [Target operation type] [Target operation type] --> 0x55555810dc60
    
    [INFO  ] [ironscanner.gui.pages.settings] Mode = Color
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [scan-resolution] [Scan resolution] [Scan resolution] --> 0x55555810dcab
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [document-type] [Document type] [Document type] --> 0x55555810dcf3
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [adf-status] [ADF status] [ADF status] --> 0x55555810dd35
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [adf-orientation] [ADF orientation] [ADF orientation] --> 0x55555810dd6e
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [threshold] [Threshold] [Select minimum-brightness to get a white point] --> 0x55555810ddb6
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [threshold-curve] [Threshold curve] [Dynamic threshold curve, from light to dark, normally 50-65] --> 0x55555810de1d
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [adf-wait] [ADF Waiting Time] [When set, the scanner waits up to the specified time in seconds for a new document inserted into the automatic document feeder.] --> 0x55555810de9d
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [calibrate] [Calibration] [When to perform scanner calibration. If you choose "Once" it will be performed a single time per driver init for single page scans, and for the first page for each ADF scan.] --> 0x55555810df5b
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/source_nodes.c:L280(set_source): Setting source to 'Automatic Document Feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L279(cache_get_options): pixma:04A91787_3624DC->get_options(): returning cached options
    
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/opt_names.c:L113(opt_desc_filter): Found option 'scan-resolution' but option 'resolution' already exists too, so we can't rename it.
    
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/resolution.c:L231(opt_desc_filter): No change to do on option 'resolution'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L148(cache_get_value): source->get_value(): Using cached value
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L215(cache_set_value): source->set_value(): attempting to set what is already the current value --> ignored
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/source_nodes.c:L306(set_source): Source set to 'Automatic Document Feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L279(cache_get_options): pixma:04A91787_3624DC->get_options(): returning cached options
    
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/opt_names.c:L113(opt_desc_filter): Found option 'scan-resolution' but option 'resolution' already exists too, so we can't rename it.
    
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/resolution.c:L231(opt_desc_filter): No change to do on option 'resolution'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L285(opts_source_get_options): Number of options, on root item: 22, on source item: 0
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'resolution' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'mode' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'source' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'button-controlled' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'custom-gamma' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'gamma' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'tl-x' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'tl-y' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'br-x' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'br-y' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'button-1' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'button-2' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'original' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'target' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'scan-resolution' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'document-type' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'adf-status' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'adf-orientation' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'threshold' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'threshold-curve' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'adf-wait' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'calibrate' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [resolution] [Scan resolution] [Sets the resolution of the scanned image.] --> 0x55555810d674
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [mode] [Scan mode] [Selects the scan mode (e.g., lineart, monochrome, or color).] --> 0x55555810d6e5
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [source] [Scan source] [Selects the scan source (such as a document-feeder). Set source before mode and resolution. Resets mode and resolution to auto values.] --> 0x55555810d760
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [button-controlled] [Button-controlled scan] [When enabled, scan process will not start immediately. To proceed, press "SCAN" button (for MP150) or "COLOR" button (for other models). To cancel, press "GRAY" button.] --> 0x55555810d838
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [custom-gamma] [Use custom gamma table] [Determines whether a builtin or a custom gamma-table should be used.] --> 0x55555810d922
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [gamma] [Gamma function exponent] [Changes intensity of midtones] --> 0x55555810d9a3
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [tl-x] [Top-left x] [Top-left x position of scan area.] --> 0x55555810da0f
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [tl-y] [Top-left y] [Top-left y position of scan area.] --> 0x55555810da71
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [br-x] [Bottom-right x] [Bottom-right x position of scan area.] --> 0x55555810dad3
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [br-y] [Bottom-right y] [Bottom-right y position of scan area.] --> 0x55555810db3d
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [button-1] [Button 1] [Button 1] --> 0x55555810dba7
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [button-2] [Button 2] [Button 2] --> 0x55555810dbda
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [original] [Type of original to scan] [Type of original to scan] --> 0x55555810dc0d
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [target] [Target operation type] [Target operation type] --> 0x55555810dc60
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [scan-resolution] [Scan resolution] [Scan resolution] --> 0x55555810dcab
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [document-type] [Document type] [Document type] --> 0x55555810dcf3
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [adf-status] [ADF status] [ADF status] --> 0x55555810dd35
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [adf-orientation] [ADF orientation] [ADF orientation] --> 0x55555810dd6e
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [threshold] [Threshold] [Select minimum-brightness to get a white point] --> 0x55555810ddb6
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [threshold-curve] [Threshold curve] [Dynamic threshold curve, from light to dark, normally 50-65] --> 0x55555810de1d
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [adf-wait] [ADF Waiting Time] [When set, the scanner waits up to the specified time in seconds for a new document inserted into the automatic document feeder.] --> 0x55555810de9d
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [calibrate] [Calibration] [When to perform scanner calibration. If you choose "Once" it will be performed a single time per driver init for single page scans, and for the first page for each ADF scan.] --> 0x55555810df5b
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L148(cache_get_value): source->get_value(): Using cached value
    
    
    [ERROR ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/master.c:L317(remote_call): opt_get_value() failed: 0x40000008, Access denied
    
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/check_capabilities.c:L16(get_value): get_value(threshold) -> capabilities prevent getting the value
    
    
    [ERROR ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L157(cache_get_value): threshold->get_value() failed: 0x40000008, Access denied
    
    [ERROR ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/master.c:L317(remote_call): opt_get_value() failed: 0x40000008, Access denied
    
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/check_capabilities.c:L16(get_value): get_value(threshold-curve) -> capabilities prevent getting the value
    
    
    [ERROR ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L157(cache_get_value): threshold-curve->get_value() failed: 0x40000008, Access denied
    
    [ERROR ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/master.c:L317(remote_call): opt_get_value() failed: 0x40000008, Access denied
    
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/check_capabilities.c:L16(get_value): get_value(adf-wait) -> capabilities prevent getting the value
    
    
    [ERROR ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L157(cache_get_value): adf-wait->get_value() failed: 0x40000008, Access denied
    
    
    [INFO  ] [ironscanner.gui.pages.summary_before] Info: {'user_name': '', 'sys': {'cpu_freq': 1666, 'cpu_count': 2, 'os_name': 'posix', 'platform_architecture': "('64bit', 'ELF')", 'platform_distribution': "('debian', '12', 'Debian GNU/Linux')", 'platform_machine': 'x86_64', 'platform_mem': 1002352640, 'platform_processor': '', 'software_python': '3.12.6 (main, Sep  7 2024, 14:20:15) [GCC 14.2.0]', 'software_release': '6.1.42-antix.1-amd64-smp', 'software_system': 'Linux', 'libinsane_version': '1.0.10-26-g8064ae0'}, 'dev_source': 'Feeder', 'dev_mode': 'Color', 'dev_resolution': 300, 'dev_type': 'flatbed_adf', 'dev_name': 'CANON mx495'}
    
    [INFO  ] [paperwork_backend.docscan.libinsane] (id=0) Setting scan options ...
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/source_nodes.c:L280(set_source): Setting source to 'Automatic Document Feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L279(cache_get_options): pixma:04A91787_3624DC->get_options(): returning cached options
    
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/opt_names.c:L113(opt_desc_filter): Found option 'scan-resolution' but option 'resolution' already exists too, so we can't rename it.
    
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/resolution.c:L231(opt_desc_filter): No change to do on option 'resolution'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L148(cache_get_value): source->get_value(): Using cached value
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L215(cache_set_value): source->set_value(): attempting to set what is already the current value --> ignored
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/source_nodes.c:L306(set_source): Source set to 'Automatic Document Feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L279(cache_get_options): pixma:04A91787_3624DC->get_options(): returning cached options
    
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/opt_names.c:L113(opt_desc_filter): Found option 'scan-resolution' but option 'resolution' already exists too, so we can't rename it.
    
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/resolution.c:L231(opt_desc_filter): No change to do on option 'resolution'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L285(opts_source_get_options): Number of options, on root item: 22, on source item: 0
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'resolution' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'mode' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'source' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'button-controlled' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'custom-gamma' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'gamma' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'tl-x' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'tl-y' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'br-x' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'br-y' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'button-1' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'button-2' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'original' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'target' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'scan-resolution' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'document-type' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'adf-status' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'adf-orientation' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'threshold' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'threshold-curve' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'adf-wait' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/all_opts_on_all_sources.c:L333(opts_source_get_options): Adding option 'calibrate' from root item to child item 'feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [resolution] [Scan resolution] [Sets the resolution of the scanned image.] --> 0x55555810d6d4
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [mode] [Scan mode] [Selects the scan mode (e.g., lineart, monochrome, or color).] --> 0x55555810d745
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [source] [Scan source] [Selects the scan source (such as a document-feeder). Set source before mode and resolution. Resets mode and resolution to auto values.] --> 0x55555810d7c0
    
    [INFO  ] [ironscanner.gui.pages.scan] Scanning page 0 ...
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [button-controlled] [Button-controlled scan] [When enabled, scan process will not start immediately. To proceed, press "SCAN" button (for MP150) or "COLOR" button (for other models). To cancel, press "GRAY" button.] --> 0x55555810d898
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [custom-gamma] [Use custom gamma table] [Determines whether a builtin or a custom gamma-table should be used.] --> 0x55555810d982
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [gamma] [Gamma function exponent] [Changes intensity of midtones] --> 0x55555810da03
    
    [INFO  ] [paperwork_backend.docscan.libinsane] (id=0) Scanning at resolution 300 dpi ...
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [tl-x] [Top-left x] [Top-left x position of scan area.] --> 0x55555810da6f
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [tl-y] [Top-left y] [Top-left y position of scan area.] --> 0x55555810dad1
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [br-x] [Bottom-right x] [Bottom-right x position of scan area.] --> 0x55555810db33
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [br-y] [Bottom-right y] [Bottom-right y position of scan area.] --> 0x55555810db9d
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [button-1] [Button 1] [Button 1] --> 0x55555810dc07
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [button-2] [Button 2] [Button 2] --> 0x55555810dc3a
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [original] [Type of original to scan] [Type of original to scan] --> 0x55555810dc6d
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [target] [Target operation type] [Target operation type] --> 0x55555810dcc0
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [scan-resolution] [Scan resolution] [Scan resolution] --> 0x55555810dd0b
    
    [INFO  ] [openpaperwork_gtk.busy.mouse] Mouse cursor --> busy
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [document-type] [Document type] [Document type] --> 0x55555810dd53
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [adf-status] [ADF status] [ADF status] --> 0x55555810dd95
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [adf-orientation] [ADF orientation] [ADF orientation] --> 0x55555810ddce
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [threshold] [Threshold] [Select minimum-brightness to get a white point] --> 0x55555810de16
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [threshold-curve] [Threshold curve] [Dynamic threshold curve, from light to dark, normally 50-65] --> 0x55555810de7d
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [adf-wait] [ADF Waiting Time] [When set, the scanner waits up to the specified time in seconds for a new document inserted into the automatic document feeder.] --> 0x55555810defd
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/worker.c:L401(serialize_option): Serializing option [calibrate] [Calibration] [When to perform scanner calibration. If you choose "Once" it will be performed a single time per driver init for single page scans, and for the first page for each ADF scan.] --> 0x55555810dfbb
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L148(cache_get_value): resolution->get_value(): Using cached value
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L215(cache_set_value): resolution->set_value(): attempting to set what is already the current value --> ignored
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L148(cache_get_value): mode->get_value(): Using cached value
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L215(cache_set_value): mode->set_value(): attempting to set what is already the current value --> ignored
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/source_nodes.c:L280(set_source): Setting source to 'Automatic Document Feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L279(cache_get_options): pixma:04A91787_3624DC->get_options(): returning cached options
    
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/opt_names.c:L113(opt_desc_filter): Found option 'scan-resolution' but option 'resolution' already exists too, so we can't rename it.
    
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/resolution.c:L231(opt_desc_filter): No change to do on option 'resolution'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L148(cache_get_value): source->get_value(): Using cached value
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L215(cache_set_value): source->set_value(): attempting to set what is already the current value --> ignored
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/source_nodes.c:L306(set_source): Source set to 'Automatic Document Feeder'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L552(scan_start): Scan start requested. Setting some late default values
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L475(set_default_values): normalizers_safe_defaults: set_default_value(tl-x) ...
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L279(cache_get_options): pixma:04A91787_3624DC->get_options(): returning cached options
    
    
    [WARNING] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/opt_names.c:L113(opt_desc_filter): Found option 'scan-resolution' but option 'resolution' already exists too, so we can't rename it.
    
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/resolution.c:L231(opt_desc_filter): No change to do on option 'resolution'
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L148(cache_get_value): tl-x->get_value(): Using cached value
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L264(set_to_limit): Current value of option 'tl-x' = 0,000000
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L275(set_to_limit): Option 'tl-x' already to the min
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L527(set_default_values): normalizers_safe_defaults: set_default_value(tl-x): OK
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L475(set_default_values): normalizers_safe_defaults: set_default_value(tl-y) ...
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L148(cache_get_value): tl-y->get_value(): Using cached value
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L264(set_to_limit): Current value of option 'tl-y' = 0,000000
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L275(set_to_limit): Option 'tl-y' already to the min
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L527(set_default_values): normalizers_safe_defaults: set_default_value(tl-y): OK
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L475(set_default_values): normalizers_safe_defaults: set_default_value(br-x) ...
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L148(cache_get_value): br-x->get_value(): Using cached value
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L264(set_to_limit): Current value of option 'br-x' = 216,069321
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L268(set_to_limit): Option 'br-x' already to the max
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L527(set_default_values): normalizers_safe_defaults: set_default_value(br-x): OK
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L475(set_default_values): normalizers_safe_defaults: set_default_value(br-y) ...
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L148(cache_get_value): br-y->get_value(): Using cached value
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L264(set_to_limit): Current value of option 'br-y' = 355,599991
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L268(set_to_limit): Option 'br-y' already to the max
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L527(set_default_values): normalizers_safe_defaults: set_default_value(br-y): OK
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L475(set_default_values): normalizers_safe_defaults: set_default_value(page-width) ...
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L506(set_default_values): normalizers_safe_defaults: set_default_value(page-width): Option not found
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L475(set_default_values): normalizers_safe_defaults: set_default_value(page-height) ...
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/safe_defaults.c:L506(set_default_values): normalizers_safe_defaults: set_default_value(page-height): Option not found
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/lamp.c:L55(set_lamp_switch): Setting lamp on pixma:04A91787_3624DC to 1
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/cache.c:L279(cache_get_options): pixma:04A91787_3624DC->get_options(): returning cached options
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L1131(lis_sane_scan_start): Sane: scan_start() ...
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] [08:35:51.380316] [pixma] pixma_jpeg_read_header: cannot read JPEG header
    
    
    [ERROR ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/dedicated_process/master.c:L317(remote_call): item_scan_start() failed: 0x40000006, I/O Error
    
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L1152(lis_sane_scan_start): Sane: scan_start(): 9 -> 1073741830, I/O Error
    
    [INFO  ] [paperwork_backend.docscan.libinsane] Closing device pixma:04A91787_3624DC (140040504065392)
    
    
    [ERROR ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/lamp.c:L120(lamp_scan_start): scan_start() failed: 0x40000006, I/O Error
    
    [ERROR ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/raw24.c:L81(raw24_scan_start): scan_start() failed: 0x40000006, I/O Error
    
    [ERROR ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/normalizers/source_nodes.c:L384(lis_sn_scan_start): Failed to set source: 0x40000006, I/O Error
    
    [ERROR ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/workarounds/invalid_page_size.c:L73(ips_scan_start): scan_start() failed: 0x40000006, I/O Error
    
    
    [WARNING] [openpaperwork_core.promise] === caught exception in promise ===
    
    
    Traceback (most recent call last):
    
    
    File "/tmp/.mount_ironscS1pnRj/usr/lib/python3.12/site-packages/openpaperwork_core/promise.py", line 235, in _threaded_do
    
    
    our_r = self.func(*args, **self.kwargs)
    
    
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    
    
    File "/tmp/.mount_ironscS1pnRj/usr/lib/python3.12/site-packages/ironscanner/gui/pages/scan/__init__.py", line 131, in _unwind_scan
    
    
    for page in pages:
    
    
    ^^^^^
    
    
    File "/tmp/.mount_ironscS1pnRj/usr/lib/python3.12/site-packages/paperwork_backend/docscan/libinsane.py", line 253, in _scan
    
    
    session = self.source.scan_start()
    
    
    ^^^^^^^^^^^^^^^^^^^^^^^^
    
    
    gi.repository.GLib.GError: libinsane-quark: Libinsane item->scan_start() error: 0x40000006, I/O Error (7)
    
    
    [WARNING] [openpaperwork_core.promise] promise.func=<function Plugin.on_assistant_prepare.<locals>.on_end at 0x7f5db86ebce0>
    
    [WARNING] [openpaperwork_core.promise] promise.args=()
    
    [WARNING] [openpaperwork_core.promise] promise.kwargs={}
    
    [WARNING] [openpaperwork_core.promise] promise.parent=ThreadedPromise<<bound method Plugin._unwind_scan of <ironscanner.gui.pages.scan.Plugin object at 0x7f5dbb685ac0>>>(140040502129008)
    
    [WARNING] [openpaperwork_core.promise] promise.parent_promise_return=None
    
    [WARNING] [openpaperwork_core.promise] === Promise was created by ===
    
    [WARNING] [openpaperwork_core.promise]  0: /tmp/.mount_ironscS1pnRj/usr/bin/ironscanner: L    8: <module>
    
    [WARNING] [openpaperwork_core.promise]  1: /tmp/.mount_ironscS1pnRj/usr/lib/python3.12/site-packages/ironscanner/main.py: L   82: main
    
    [WARNING] [openpaperwork_core.promise]  2: /tmp/.mount_ironscS1pnRj/usr/lib/python3.12/site-packages/openpaperwork_core/__init__.py: L  454: call_one
    
    [WARNING] [openpaperwork_core.promise]  3: /tmp/.mount_ironscS1pnRj/usr/lib/python3.12/site-packages/openpaperwork_gtk/mainloop/glib.py: L   68: mainloop
    
    [WARNING] [openpaperwork_core.promise]  4: /tmp/.mount_ironscS1pnRj/usr/lib/python3.12/site-packages/gi/overrides/GLib.py: L  497: run
    
    [WARNING] [openpaperwork_core.promise]  5: /tmp/.mount_ironscS1pnRj/usr/lib/python3.12/site-packages/ironscanner/gui/mainform/__init__.py: L  122: _on_assistant_prepare
    
    [WARNING] [openpaperwork_core.promise]  6: /tmp/.mount_ironscS1pnRj/usr/lib/python3.12/site-packages/openpaperwork_core/__init__.py: L  406: call_all
    
    [WARNING] [openpaperwork_core.promise]  7: /tmp/.mount_ironscS1pnRj/usr/lib/python3.12/site-packages/ironscanner/gui/pages/scan/__init__.py: L  188: on_assistant_prepare
    
    [WARNING] [openpaperwork_core.promise]  8: /tmp/.mount_ironscS1pnRj/usr/lib/python3.12/site-packages/openpaperwork_core/promise.py: L   53: then
    
    [WARNING] [openpaperwork_core.promise]  9: /tmp/.mount_ironscS1pnRj/usr/lib/python3.12/site-packages/openpaperwork_core/promise.py: L   35: __init__
    
    
    [INFO  ] [paperwork_backend.docscan.libinsane] [LibInsane] ../subprojects/libinsane/src/bases/sane.c:L562(lis_sane_item_close): Sane: item->close()
    
    
    [ERROR ] [openpaperwork_gtk.mainloop.glib] Main loop: uncaught exception (<function Plugin.on_assistant_prepare.<locals>.on_error at 0x7f5db86ebd80>) !
    
    
    Traceback (most recent call last):
    
    
    File "/tmp/.mount_ironscS1pnRj/usr/lib/python3.12/site-packages/openpaperwork_gtk/mainloop/glib.py", line 149, in decorator
    
    
    func(*args, **kwargs)
    
    
    File "/tmp/.mount_ironscS1pnRj/usr/lib/python3.12/site-packages/ironscanner/gui/pages/scan/__init__.py", line 186, in on_error
    
    
    raise exc
    
    
    File "/tmp/.mount_ironscS1pnRj/usr/lib/python3.12/site-packages/openpaperwork_core/promise.py", line 235, in _threaded_do
    
    
    our_r = self.func(*args, **self.kwargs)
    
    
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    
    
    File "/tmp/.mount_ironscS1pnRj/usr/lib/python3.12/site-packages/ironscanner/gui/pages/scan/__init__.py", line 131, in _unwind_scan
    
    
    for page in pages:
    
    
    ^^^^^
    
    
    File "/tmp/.mount_ironscS1pnRj/usr/lib/python3.12/site-packages/paperwork_backend/docscan/libinsane.py", line 253, in _scan
    
    
    session = self.source.scan_start()
    
    
    ^^^^^^^^^^^^^^^^^^^^^^^^
    
    
    gi.repository.GLib.GError: libinsane-quark: Libinsane item->scan_start() error: 0x40000006, I/O Error (7)
    
    
    [INFO  ] [openpaperwork_gtk.uncaught_exception] Uncaught exception. Showing error dialog
    
    [INFO  ] [openpaperwork_gtk.screenshots] Uncaught exception. Taking screenshots
    
    
    [ERROR ] [openpaperwork_core.logs.print] === UNCAUGHT EXCEPTION ===
    
    
    Traceback (most recent call last):
    
    
    File "/tmp/.mount_ironscS1pnRj/usr/lib/python3.12/site-packages/openpaperwork_gtk/mainloop/glib.py", line 149, in decorator
    
    
    func(*args, **kwargs)
    
    
    File "/tmp/.mount_ironscS1pnRj/usr/lib/python3.12/site-packages/ironscanner/gui/pages/scan/__init__.py", line 186, in on_error
    
    
    raise exc
    
    
    File "/tmp/.mount_ironscS1pnRj/usr/lib/python3.12/site-packages/openpaperwork_core/promise.py", line 235, in _threaded_do
    
    
    our_r = self.func(*args, **self.kwargs)
    
    
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    
    
    File "/tmp/.mount_ironscS1pnRj/usr/lib/python3.12/site-packages/ironscanner/gui/pages/scan/__init__.py", line 131, in _unwind_scan
    
    
    for page in pages:
    
    
    ^^^^^
    
    
    File "/tmp/.mount_ironscS1pnRj/usr/lib/python3.12/site-packages/paperwork_backend/docscan/libinsane.py", line 253, in _scan
    
    
    session = self.source.scan_start()
    
    
    ^^^^^^^^^^^^^^^^^^^^^^^^
    
    
    gi.repository.GLib.GError: libinsane-quark: Libinsane item->scan_start() error: 0x40000006, I/O Error (7)
    
    
    [ERROR ] [openpaperwork_core.logs.print] ==========================
    
    
    [INFO  ] [openpaperwork_gtk.screenshots] Screenshoting window <Gtk.Assistant object at 0x7f5db86b5280 (GtkAssistant at 0x5555581e3040)>
    
    [INFO  ] [openpaperwork_gtk.uncaught_exception] Response: -3
    
    [INFO  ] [openpaperwork_core.logs.archives] Flushing logs to disk
    
    [INFO  ] [openpaperwork_core.bug_report.censor] Censoring file:///home/linux/.local/share/ironscanner/openpaperwork/logs/20250109_0832_10_logs.txt:file:///home/linux/.local/share/ironscanner/openpaperwork/logs/20250109_0832_10_logs.txt
    
    [INFO  ] [openpaperwork_core.bug_report.censor] Censoring file:///home/linux/.local/share/ironscanner/openpaperwork/logs/20250109_0835_52_uncaught_exception_logs.txt:file:///home/linux/.local/share/ironscanner/openpaperwork/logs/20250109_0835_52_uncaught_exception_logs.txt
    
    [INFO  ] [openpaperwork_core.bug_report.censor] Censoring file:///home/linux/.local/share/ironscanner/openpaperwork/logs/20250109_0825_50_logs.txt:file:///home/linux/.local/share/ironscanner/openpaperwork/logs/20250109_0825_50_logs.txt
    
    [INFO  ] [openpaperwork_gtk.bug_report.http] Will send ['file:///tmp/censored_w9hgjggw_20250109_0832_10_logs.txt', 'file:///tmp/censored_hdt4s5bj_20250109_0835_52_uncaught_exception_logs.txt', 'file:///tmp/censored_u1zht8u3_20250109_0825_50_logs.txt']
    
    [INFO  ] [openpaperwork_gtk.busy.mouse] Mouse cursor --> busy
    
    [INFO  ] [openpaperwork_core.http] Sending POST www.openpaper.work//beacon/bug_report/create
    
    [INFO  ] [openpaperwork_core.http] Got HTTP 200: <http.client.HTTPResponse object at 0x7f5db87fa8c0> - {"id": 1041, "secret": "jKFNyvE7bfhpXzchhGSiYGIKMiRcyA0q", "url": "https://openpaper.work/en/paperwork/bug_report/show/1041/jKFNyvE7bfhpXzchhGSiYGIKMiRcyA0q"}
    
    [INFO  ] [openpaperwork_core.http] Sending POST www.openpaper.work//beacon/bug_report/add_attachment
    
    [INFO  ] [openpaperwork_core.http] Got HTTP 200: <http.client.HTTPResponse object at 0x7f5db8a2f790> - {"reply": "ok"}
    
    [INFO  ] [openpaperwork_core.http] Sending POST www.openpaper.work//beacon/bug_report/add_attachment
    
    [INFO  ] [openpaperwork_core.http] Got HTTP 200: <http.client.HTTPResponse object at 0x7f5db8621720> - {"reply": "ok"}
    
    [INFO  ] [openpaperwork_core.http] Sending POST www.openpaper.work//beacon/bug_report/add_attachment
    
    [INFO  ] [openpaperwork_core.http] Got HTTP 200: <http.client.HTTPResponse object at 0x7f5db86229b0> - {"reply": "ok"}
    
    [INFO  ] [openpaperwork_core.http] Sending POST www.openpaper.work//beacon/bug_report/add_attachment
    
    [INFO  ] [openpaperwork_core.http] Got HTTP 200: <http.client.HTTPResponse object at 0x7f5db86229b0> - {"reply": "ok"}
    
    [INFO  ] [openpaperwork_gtk.busy.mouse] Mouse cursor --> busy
    
    [INFO  ] [openpaperwork_gtk.bug_report.http] Transfer successful