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device: Canon DR-2080C

Atalasoft does not sell or provide end-user support for this device, and we are not affiliated with its manufacturer.

comments: A sweet little desktop scanner, fast & quiet, at an excellent price-point for its class. Canon now sells the similar DR-2050C which drops the SCSI-II connectivity, and adds a richer software bundle.

Technical specifications.

Notably light: 5.5lbs / 2.5kg
The physical 30 x 10cm (11.8" x 4") footprint is somewhat misleading: A clear area is required in front of the unit for ejected documents - there is no output tray. Because of the relatively tight turn in the paper path, this is not a good device for scanning photos or cardstock.
known issues: EZTwain 3.04 and earlier had several deficiencies in dealing with the 2080C - For best results use EZTwain Pro 3.05 / Acquire 2.57, or later.

The Canon driver version 1.1 can crash doing a multipage acquire (at least from FoxPro) - version 2.1 fixes this. Canon Driver Page.
TWAIN features: Like other recent Canon DR-series scanners, the 2080 ships with a 'QuickDriver' TWAIN driver that seems generally competent and robust, having a plain and densely functional UI, and bare-bones TWAIN capabilities with a few quirks. Many of the advertised features of this scanner are not controllable through standard TWAIN capabilities - but most are accessible as custom capabilities.

Custom Capabilities
0x8000 selects Paper size Auto-detection. (INT32) Set to 1 to enable, 0 for fixed size scans.
0x8001 selects 'Skip Blank Pages' mode. (INT32) Set to 1 to enable. Apparently selects duplex mode too.
0x8002 [we believe:] percent of black pixels times 2, required for a page to be considered 'non blank'. (INT32)
0x8004 Delay, for Automatic Feeding. (INT32) seconds.
0x8006 -unknown-
0x8007 -unknown-
0x8008 selects front drop-out color: (INT32) 0=none, 1=red, 2=green, 3=blue.
0x8009 Edge emphasis (INT32) 1..5: 1=softest, 2=softer, 3=none, 4=sharper, 5=sharpest.
______ Note: 0x8011 must be set to 1 before 0x8009 can be set.
0x800B -unknown-
0x800C -unknown-
0x800D selects automatic Deskew. (INT32) Set to 1 to enable.
0x800E 'Reverse Side' - in Simplex mode, the back of the page is scanned. Set to (INT32) 1 to enable.
0x800F -unknown-
0x8011 Enable Edge Emphasis filter (0x8009). (INT32) 1=on, 0=off. See 0x8009.
0x8012 -unknown-
0x8013 -unknown-
0x8014 -unknown-
0x8015 -unknown-
0x8016 'Scan Panel' mode? (Applies only in 'Panel Feeding' mode) (INT32) (we hate that panel)
______ Our guess: 0 = hide the scan panel. 2 = show always, 1 = show when scanning.
0x8017 ? (INT32) 3=Prescan is locked 'on'. 2,1=Prescan is selectable; 0=Prescan is locked 'off'.
0x8018 Prescan. (INT32) 1=on, 0=off
0x8019 -unknown-
0x801A -unknown-
0x8025 Automatic Border Removal. Set to (INT32) 2 to enable, 0 to disable.
______ Caution: Seems to only work in Native transfer mode, not Memory! Ouch.
0x8026 -unknown-
0x8028 -unknown-
0x8029 Text Enhanced - modifies PixelType=TWPT_BW: (INT32) 0=normal, 1=Text Enhanced
0x802A -unknown-
0x802B -unknown-
0x802D -unknown-
0x802E -unknown-
0x8031 Same as 0x8000
0x8032 -unknown-
0x8033 Modifies Gray/Color => Smoothing Gray/Smoothing Color (INT32) 1='smoothing' mode
0x8034 ? (INT32) 0 is normal, -1 and +1 disable all the controls in the main scan dialog.
0x8035 Counts 'sides' scanned. (INT32) Reset to 0 when device is opened. App can set or reset.
0x8036 Counts pages scanned. Otherwise like x8035 above.
0x8037 Folio mode (INT32) 0=normal (off), 1=scan and stitch folded page
0x8063 -unknown-
0x8100 -unknown-