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[+0,00s] DEBUG: simple-scan.vala:674: Starting Simple Scan 3.20.0, PID=4280
[+0,12s] DEBUG: scanner.vala:1447: sane_init () -> SANE_STATUS_GOOD
[+0,12s] DEBUG: scanner.vala:1453: SANE version 1.0.25
[+0,12s] DEBUG: scanner.vala:1514: Requesting redetection of scan devices
[+0,12s] DEBUG: scanner.vala:803: Processing request
[+0,17s] DEBUG: autosave-manager.vala:281: Autosaving book information
[+1,90s] DEBUG: simple-scan.vala:404: Requesting scan at 300 dpi from device '(null)'
[+1,90s] DEBUG: scanner.vala:1560: Scanner.scan ("(null)", dpi=300, scan_mode=ScanMode.COLOR, depth=8, type=ScanType.SINGLE, paper_width=0, paper_height=0, brightness=0, contrast=0)
[+11,95s] DEBUG: scanner.vala:338: sane_get_devices () -> SANE_STATUS_GOOD
[+11,95s] DEBUG: scanner.vala:350: Device: name="pixma:04A9176D_1B4C43" vendor="CANON" model="Canon PIXMA MG2500 Series" type="multi-function peripheral"
[+11,95s] DEBUG: scanner.vala:803: Processing request
[+12,48s] DEBUG: scanner.vala:864: sane_open ("pixma:04A9176D_1B4C43") -> SANE_STATUS_GOOD
[+12,48s] DEBUG: scanner.vala:885: sane_get_option_descriptor (0)
[+12,48s] DEBUG: scanner.vala:735: Option 0: title='Number of options' type=int size=4 cap=soft-detect
[+12,48s] DEBUG: scanner.vala:738: Description: Read-only option that specifies how many options a specific devices supports.
[+12,48s] DEBUG: scanner.vala:885: sane_get_option_descriptor (1)
[+12,48s] DEBUG: scanner.vala:735: Option 1: name='(null)' title='Scan mode' type=group size=0
[+12,48s] DEBUG: scanner.vala:738: Description: Scan mode
[+12,48s] DEBUG: scanner.vala:885: sane_get_option_descriptor (2)
[+12,48s] DEBUG: scanner.vala:735: Option 2: name='resolution' title='Scan resolution' type=int size=4 unit=dpi values=[75, 150, 300, 600] cap=soft-select,soft-detect,automatic
[+12,48s] DEBUG: scanner.vala:738: Description: Sets the resolution of the scanned image.
[+12,48s] DEBUG: scanner.vala:885: sane_get_option_descriptor (3)
[+12,48s] DEBUG: scanner.vala:735: Option 3: name='mode' title='Scan mode' type=string size=31 values=["Color", "Gray", "Lineart"] cap=soft-select,soft-detect,automatic
[+12,48s] DEBUG: scanner.vala:738: Description: Selects the scan mode (e.g., lineart, monochrome, or color).
[+12,48s] DEBUG: scanner.vala:885: sane_get_option_descriptor (4)
[+12,48s] DEBUG: scanner.vala:735: Option 4: name='source' title='Scan source' type=string size=31 values=["Flatbed"] cap=soft-select,soft-detect
[+12,48s] DEBUG: scanner.vala:738: Description: Selects the scan source (such as a document-feeder). Set source before mode and resolution. Resets mode and resolution to auto values.
[+12,48s] DEBUG: scanner.vala:885: sane_get_option_descriptor (5)
[+12,48s] DEBUG: scanner.vala:735: Option 5: name='button-controlled' title='Button-controlled scan' type=bool size=4 cap=soft-select,soft-detect
[+12,48s] DEBUG: scanner.vala:738: Description: 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.
[+12,48s] DEBUG: scanner.vala:885: sane_get_option_descriptor (6)
[+12,48s] DEBUG: scanner.vala:735: Option 6: name='(null)' title='Gamma' type=group size=0
[+12,48s] DEBUG: scanner.vala:738: Description: Gamma
[+12,48s] DEBUG: scanner.vala:885: sane_get_option_descriptor (7)
[+12,48s] DEBUG: scanner.vala:735: Option 7: name='custom-gamma' title='Use custom gamma table' type=bool size=4 cap=soft-select,soft-detect,automatic
[+12,48s] DEBUG: scanner.vala:738: Description: Determines whether a builtin or a custom gamma-table should be used.
[+12,48s] DEBUG: scanner.vala:885: sane_get_option_descriptor (8)
[+12,48s] DEBUG: scanner.vala:735: Option 8: name='gamma-table' title='Image intensity' type=int size=16384 min=0, max=255, quant=0 cap=soft-select,soft-detect,automatic
[+12,48s] DEBUG: scanner.vala:738: Description: Gamma-correction table. In color mode this option equally affects the red, green, and blue channels simultaneously (i.e., it is an intensity gamma table).
[+12,48s] DEBUG: scanner.vala:885: sane_get_option_descriptor (9)
[+12,48s] DEBUG: scanner.vala:735: Option 9: name='gamma' title='Gamma function exponent' type=fixed size=4 min=0,299988, max=5,000000, quant=0 cap=soft-select,soft-detect,automatic
[+12,48s] DEBUG: scanner.vala:738: Description: Changes intensity of midtones
[+12,48s] DEBUG: scanner.vala:885: sane_get_option_descriptor (10)
[+12,48s] DEBUG: scanner.vala:735: Option 10: name='(null)' title='Geometry' type=group size=0
[+12,48s] DEBUG: scanner.vala:738: Description: Geometry
[+12,48s] DEBUG: scanner.vala:885: sane_get_option_descriptor (11)
[+12,48s] DEBUG: scanner.vala:735: Option 11: name='tl-x' title='Top-left x' type=fixed size=4 unit=mm min=0,000000, max=216,069321, quant=0 cap=soft-select,soft-detect,automatic
[+12,48s] DEBUG: scanner.vala:738: Description: Top-left x position of scan area.
[+12,48s] DEBUG: scanner.vala:885: sane_get_option_descriptor (12)
[+12,48s] DEBUG: scanner.vala:735: Option 12: name='tl-y' title='Top-left y' type=fixed size=4 unit=mm min=0,000000, max=297,010666, quant=0 cap=soft-select,soft-detect,automatic
[+12,48s] DEBUG: scanner.vala:738: Description: Top-left y position of scan area.
[+12,48s] DEBUG: scanner.vala:885: sane_get_option_descriptor (13)
[+12,48s] DEBUG: scanner.vala:735: Option 13: name='br-x' title='Bottom-right x' type=fixed size=4 unit=mm min=0,000000, max=216,069321, quant=0 cap=soft-select,soft-detect,automatic
[+12,48s] DEBUG: scanner.vala:738: Description: Bottom-right x position of scan area.
[+12,48s] DEBUG: scanner.vala:885: sane_get_option_descriptor (14)
[+12,48s] DEBUG: scanner.vala:735: Option 14: name='br-y' title='Bottom-right y' type=fixed size=4 unit=mm min=0,000000, max=297,010666, quant=0 cap=soft-select,soft-detect,automatic
[+12,48s] DEBUG: scanner.vala:738: Description: Bottom-right y position of scan area.
[+12,48s] DEBUG: scanner.vala:885: sane_get_option_descriptor (15)
[+12,48s] DEBUG: scanner.vala:735: Option 15: name='(null)' title='Buttons' type=group size=0
[+12,48s] DEBUG: scanner.vala:738: Description: Buttons
[+12,48s] DEBUG: scanner.vala:885: sane_get_option_descriptor (16)
[+12,48s] DEBUG: scanner.vala:735: Option 16: name='button-update' title='Update button state' type=button size=0 cap=soft-select,soft-detect,advanced
[+12,48s] DEBUG: scanner.vala:738: Description: Update button state
[+12,48s] DEBUG: scanner.vala:885: sane_get_option_descriptor (17)
[+12,48s] DEBUG: scanner.vala:735: Option 17: name='button-1' title='Button 1' type=int size=4 cap=soft-detect,advanced
[+12,48s] DEBUG: scanner.vala:738: Description: Button 1
[+12,48s] DEBUG: scanner.vala:885: sane_get_option_descriptor (18)
[+12,48s] DEBUG: scanner.vala:735: Option 18: name='button-2' title='Button 2' type=int size=4 cap=soft-detect,advanced
[+12,48s] DEBUG: scanner.vala:738: Description: Button 2
[+12,48s] DEBUG: scanner.vala:885: sane_get_option_descriptor (19)
[+12,48s] DEBUG: scanner.vala:735: Option 19: name='original' title='Type of original to scan' type=int size=4 cap=soft-detect,advanced
[+12,48s] DEBUG: scanner.vala:738: Description: Type of original to scan
[+12,48s] DEBUG: scanner.vala:885: sane_get_option_descriptor (20)
[+12,48s] DEBUG: scanner.vala:735: Option 20: name='target' title='Target operation type' type=int size=4 cap=soft-detect,advanced
[+12,48s] DEBUG: scanner.vala:738: Description: Target operation type
[+12,48s] DEBUG: scanner.vala:885: sane_get_option_descriptor (21)
[+12,48s] DEBUG: scanner.vala:735: Option 21: name='scan-resolution' title='Scan resolution' type=int size=4 cap=soft-detect,advanced
[+12,48s] DEBUG: scanner.vala:738: Description: Scan resolution
[+12,48s] DEBUG: scanner.vala:885: sane_get_option_descriptor (22)
[+12,48s] DEBUG: scanner.vala:735: Option 22: name='(null)' title='Extras' type=group size=0
[+12,48s] DEBUG: scanner.vala:738: Description: Extras
[+12,48s] DEBUG: scanner.vala:885: sane_get_option_descriptor (23)
[+12,48s] DEBUG: scanner.vala:735: Option 23: name='threshold' title='Threshold' type=int size=4 unit=percent min=0, max=100, quant=1 cap=soft-select,soft-detect,automatic,inactive
[+12,48s] DEBUG: scanner.vala:738: Description: Select minimum-brightness to get a white point
[+12,48s] DEBUG: scanner.vala:885: sane_get_option_descriptor (24)
[+12,48s] DEBUG: scanner.vala:735: Option 24: name='threshold-curve' title='Threshold curve' type=int size=4 min=0, max=127, quant=1 cap=soft-select,soft-detect,automatic,inactive
[+12,48s] DEBUG: scanner.vala:738: Description: Dynamic threshold curve, from light to dark, normally 50-65
[+12,48s] DEBUG: scanner.vala:885: sane_get_option_descriptor (25)
[+12,48s] DEBUG: scanner.vala:546: sane_control_option (4, SANE_ACTION_SET_VALUE, "Flatbed") -> (SANE_STATUS_GOOD, "Flatbed")
[+12,48s] DEBUG: scanner.vala:546: sane_control_option (3, SANE_ACTION_SET_VALUE, "Color") -> (SANE_STATUS_GOOD, "Color")
[+12,48s] DEBUG: scanner.vala:462: sane_control_option (2, SANE_ACTION_SET_VALUE, 300) -> (SANE_STATUS_GOOD, 300)
[+12,48s] DEBUG: scanner.vala:530: sane_control_option (13, SANE_ACTION_SET_VALUE, option.range.max) -> (SANE_STATUS_GOOD)
[+12,48s] DEBUG: scanner.vala:530: sane_control_option (14, SANE_ACTION_SET_VALUE, option.range.max) -> (SANE_STATUS_GOOD)
[+12,48s] DEBUG: scanner.vala:1213: sane_start (page=0, pass=0) -> SANE_STATUS_GOOD
[+12,48s] DEBUG: scanner.vala:1230: sane_get_parameters () -> SANE_STATUS_GOOD
[+12,48s] DEBUG: scanner.vala:1242: Parameters: format=SANE_FRAME_RGB last_frame=SANE_TRUE bytes_per_line=7656 pixels_per_line=2552 lines=3508 depth=8
[+12,48s] DEBUG: simple-scan.vala:348: Page is 2552 pixels wide, 3508 pixels high, 8 bits per pixel
[+12,48s] DEBUG: scanner.vala:1314: sane_read (7657) -> (SANE_STATUS_IO_ERROR, 0)
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