Canon 2099B002 User Manual - Page 101

TWAIN Driver Quick Guide Keep this Quick Guide near the scanner for ready reference. Basic Setup Dialog Box 1 User Preference Name and save your settings. 2 Mode Selects the scanning mode. ☞ [Text Enhanced] and [Advanced Text Enhancement 2] process the background of a document so the text is enhanced and easier to read. ☞ The Smoothing Gray/Color options used to smooth images and reduce moiré patterns are available when [400 dpi] Dots per inch or below is selected. 3 Page Size Selects the size of the pages to be scanned. ☞ Selecting [Auto-detection] causes automatic page size detection when scanning. 4 Dots per inch Selects scanning resolution. 5 Brightness Adjusts brightness of scanned images. [Brightness] is set automatically when the Text Enhanced mode is selected. 6 Contrast Adjusts contrast of scanned images. [Contrast] is set automatically when the Black and White or Text Enhanced mode is selected. 7 Scanning Side Specifies the side of the document to scan. ☞ When [Skip blank page] is selected, images are skipped if they are determined blank based on the [Ratio of black pixels] value. ☞ When [Folio] is selected, both sides of a document are scanned, and the images displayed are combined into one image. For details, refer to the user's guide. ☞ When the [Reverse side] check box is selected, the mirror image of the scanned document is displayed. ☞ [Ratio of black pixels] specifies the ratio of black areas (0 to 20%) when skipping blank pages. 8 Feeding Option Selects the document feeding method. ☞ [Standard Feeding] scans all loaded documents when scanning is started from the application program. ☞ [Panel-Feeding] scans all loaded documents when scanning is started by the scanner's scan button. ☞ [Automatic Feeding] starts scanning when the scanner detects a loaded document. 9 Deskew When a document page feeds at a slant, the scanned image is straightened. 0 Prescan When scanning starts, a page of the document is scanned and its image is displayed in the Prescan window. A Scanning Option Specifies operation during scanning. ☞ [Standard]: after one page has been scanned and ejected, the next page is scanned. ☞ [Scan Ahead]: scans document pages continuously. ☞ [Scan Single Page]: Scanning Side is set and fixed at [Simplex], and only one page is scanned. Scan Area Dialog Box B Page Size Selects the size of the pages to be scanned. ☞ Click [Custom] to register a non-standard document size as a custom page size. C Area Specifies the area to be scanned. ☞ These settings are disabled when [Auto-detection] is selected for the Page Size. D Preview When [Prescan] is selected, click this button to display a preview image in the Prescan window after a page of the document is scanned. Advanced Settings Dialog Box E Drop-out color Enabled for all scanning modes except [24-bit Color], this function selects skipping (drop-out) of red, green, or blue or enhancement of red when scanning the front or back of documents. F Gamma To alter the standard gamma curve, select [Custom] Gamma Data and change the gamma curve. For details on this setting, click the Help button. G Edge emphasis Enhances contours in scanned images. H Border Removal Removes the black border that may be created around scanned images. I Reverse Image When the [Black and White], [Error Diffusion], or [Text Enhanced] mode is selected, black and white are reversed in the scanned image. J Scanner Adjustment Scanner Adjustment is a function used to adjust the reference values of the scanner when abnormalities occur within the scanned images, and normal maintenance does not remedy the problem. For details on Scanner Adjustment, refer to "Adjusting the Scanner" (see P.75) in the user's guide. This Quick Guide describes the TWAIN driver settings. Click the Help button for details.