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[+0.00s] DEBUG: simple-scan.vala:638: Starting simple-scan 3.34.1, PID=23475
[+0.15s] DEBUG: scanner.vala:1485: sane_init () -> SANE_STATUS_GOOD
[+0.15s] DEBUG: scanner.vala:1491: SANE version 1.0.27
[+0.15s] DEBUG: scanner.vala:1552: Requesting redetection of scan devices
[+0.15s] DEBUG: scanner.vala:806: Processing request
[+1.37s] DEBUG: scanner.vala:341: sane_get_devices () -> SANE_STATUS_GOOD
[+1.37s] DEBUG: scanner.vala:353: Device: name="hpaio:/net/HP_LaserJet_3390?ip=192.168.188.24" vendor="Hewlett-Packard" model="HP_LaserJet_3390" type="all-in-one"
[+1.37s] DEBUG: scanner.vala:353: Device: name="hpaio:/net/HP_LaserJet_M1522nf_MFP?ip=192.168.1.41" vendor="Hewlett-Packard" model="HP_LaserJet_M1522nf_MFP" type="all-in-one"
[+17.73s] DEBUG: simple-scan.vala:455: Requesting scan at 300 dpi from device 'hpaio:/net/HP_LaserJet_M1522nf_MFP?ip=192.168.1.41'
[+17.73s] DEBUG: scanner.vala:1600: Scanner.scan ("hpaio:/net/HP_LaserJet_M1522nf_MFP?ip=192.168.1.41", dpi=300, scan_mode=ScanMode.GRAY, depth=2, type=ScanType.SINGLE, paper_width=2100, paper_height=2970, brightness=0, contrast=0, delay=15000ms)
[+17.73s] DEBUG: scanner.vala:806: Processing request
[+17.99s] DEBUG: scanner.vala:867: sane_open ("hpaio:/net/HP_LaserJet_M1522nf_MFP?ip=192.168.1.41") -> SANE_STATUS_GOOD
[+17.99s] DEBUG: scanner.vala:888: sane_get_option_descriptor (0)
[+17.99s] DEBUG: scanner.vala:738: Option 0: name='option-cnt' title='Number of options' type=int size=4 cap=soft-detect
[+17.99s] DEBUG: scanner.vala:741: Description: Read-only option that specifies how many options a specific devices supports.
[+17.99s] DEBUG: scanner.vala:888: sane_get_option_descriptor (1)
[+17.99s] DEBUG: scanner.vala:738: Option 1: name='mode-group' title='Scan mode' type=group size=0
[+17.99s] DEBUG: scanner.vala:888: sane_get_option_descriptor (2)
[+17.99s] DEBUG: scanner.vala:738: Option 2: name='mode' title='Scan mode' type=string size=32 values=["Lineart", "Gray", "Color"] cap=soft-select,soft-detect
[+17.99s] DEBUG: scanner.vala:741: Description: Selects the scan mode (e.g., lineart, monochrome, or color).
[+17.99s] DEBUG: scanner.vala:888: sane_get_option_descriptor (3)
[+17.99s] DEBUG: scanner.vala:738: Option 3: name='resolution' title='Scan resolution' type=int size=4 unit=dpi values=[75, 100, 150, 200, 300, 600, 1200] cap=soft-select,soft-detect
[+17.99s] DEBUG: scanner.vala:741: Description: Sets the resolution of the scanned image.
[+17.99s] DEBUG: scanner.vala:888: sane_get_option_descriptor (4)
[+17.99s] DEBUG: scanner.vala:738: Option 4: name='source' title='Scan source' type=string size=32 values=["Flatbed", "ADF"] cap=soft-select,soft-detect
[+17.99s] DEBUG: scanner.vala:741: Description: Selects the scan source (such as a document-feeder).
[+17.99s] DEBUG: scanner.vala:888: sane_get_option_descriptor (5)
[+17.99s] DEBUG: scanner.vala:738: Option 5: name='advanced-group' title='Advanced' type=group size=0 cap=advanced
[+17.99s] DEBUG: scanner.vala:888: sane_get_option_descriptor (6)
[+17.99s] DEBUG: scanner.vala:738: Option 6: name='brightness' title='Brightness' type=int size=4 min=-1000, max=1000, quant=0 cap=soft-select,soft-detect,advanced
[+17.99s] DEBUG: scanner.vala:741: Description: Controls the brightness of the acquired image.
[+17.99s] DEBUG: scanner.vala:888: sane_get_option_descriptor (7)
[+17.99s] DEBUG: scanner.vala:738: Option 7: name='contrast' title='Contrast' type=int size=4 min=-1000, max=1000, quant=0 cap=soft-select,soft-detect,advanced
[+17.99s] DEBUG: scanner.vala:741: Description: Controls the contrast of the acquired image.
[+17.99s] DEBUG: scanner.vala:888: sane_get_option_descriptor (8)
[+17.99s] DEBUG: scanner.vala:738: Option 8: name='compression' title='Compression' type=string size=32 values=["None", "JPEG"] cap=soft-select,soft-detect,advanced
[+17.99s] DEBUG: scanner.vala:741: Description: Selects the scanner compression method for faster scans, possibly at the expense of image quality.
[+17.99s] DEBUG: scanner.vala:888: sane_get_option_descriptor (9)
[+17.99s] DEBUG: scanner.vala:738: Option 9: name='jpeg-quality' title='JPEG compression factor' type=int size=4 min=0, max=100, quant=0 cap=soft-select,soft-detect,inactive,advanced
[+17.99s] DEBUG: scanner.vala:741: Description: Sets the scanner JPEG compression factor. Larger numbers mean better compression, and smaller numbers mean better image quality.
[+17.99s] DEBUG: scanner.vala:888: sane_get_option_descriptor (10)
[+17.99s] DEBUG: scanner.vala:738: Option 10: name='geometry-group' title='Geometry' type=group size=0 cap=advanced
[+17.99s] DEBUG: scanner.vala:888: sane_get_option_descriptor (11)
[+17.99s] DEBUG: scanner.vala:738: Option 11: name='tl-x' title='Top-left x' type=fixed size=4 unit=mm min=0.000000, max=215.899994, quant=0 cap=soft-select,soft-detect
[+17.99s] DEBUG: scanner.vala:741: Description: Top-left x position of scan area.
[+17.99s] DEBUG: scanner.vala:888: sane_get_option_descriptor (12)
[+17.99s] DEBUG: scanner.vala:738: Option 12: name='tl-y' title='Top-left y' type=fixed size=4 unit=mm min=0.000000, max=296.925995, quant=0 cap=soft-select,soft-detect
[+17.99s] DEBUG: scanner.vala:741: Description: Top-left y position of scan area.
[+17.99s] DEBUG: scanner.vala:888: sane_get_option_descriptor (13)
[+17.99s] DEBUG: scanner.vala:738: Option 13: name='br-x' title='Bottom-right x' type=fixed size=4 unit=mm min=0.000000, max=215.899994, quant=0 cap=soft-select,soft-detect
[+17.99s] DEBUG: scanner.vala:741: Description: Bottom-right x position of scan area.
[+17.99s] DEBUG: scanner.vala:888: sane_get_option_descriptor (14)
[+17.99s] DEBUG: scanner.vala:738: Option 14: name='br-y' title='Bottom-right y' type=fixed size=4 unit=mm min=0.000000, max=296.925995, quant=0 cap=soft-select,soft-detect
[+17.99s] DEBUG: scanner.vala:741: Description: Bottom-right y position of scan area.
[+17.99s] DEBUG: scanner.vala:888: sane_get_option_descriptor (15)
[+17.99s] DEBUG: scanner.vala:549: sane_control_option (4, SANE_ACTION_SET_VALUE, "Flatbed") -> (SANE_STATUS_GOOD, "Flatbed")
[+17.99s] DEBUG: scanner.vala:549: sane_control_option (2, SANE_ACTION_SET_VALUE, "Gray") -> (SANE_STATUS_GOOD, "Gray")
[+17.99s] DEBUG: scanner.vala:549: sane_control_option (8, SANE_ACTION_SET_VALUE, "None") -> (SANE_STATUS_GOOD, "None")
[+17.99s] DEBUG: scanner.vala:465: sane_control_option (3, SANE_ACTION_SET_VALUE, 300) -> (SANE_STATUS_GOOD, 300)
[+17.99s] DEBUG: scanner.vala:505: sane_control_option (13, SANE_ACTION_SET_VALUE, 210.000000) -> (SANE_STATUS_GOOD, 210.000000)
[+17.99s] DEBUG: scanner.vala:505: sane_control_option (14, SANE_ACTION_SET_VALUE, 297.000000) -> (SANE_STATUS_GOOD, 296.925995)
[+18.67s] DEBUG: scanner.vala:1241: sane_start (page=0, pass=0) -> SANE_STATUS_GOOD
[+18.67s] DEBUG: scanner.vala:1258: sane_get_parameters () -> SANE_STATUS_GOOD
[+18.67s] DEBUG: scanner.vala:1270: Parameters: format=SANE_FRAME_GRAY last_frame=SANE_TRUE bytes_per_line=2480 pixels_per_line=2480 lines=3506 depth=8
[+18.67s] DEBUG: simple-scan.vala:350: Page is 2480 pixels wide, 3506 pixels high, 2 bits per pixel
[+18.67s] DEBUG: scanner.vala:1345: sane_read (2481) -> (SANE_STATUS_GOOD, 0)
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