Canon imageFORMULA DR-2010M Workgroup Scanner User Manual - Page 65
Black-and-White, Grayscale, Color, Auto Color Detection
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Contents Back Previous Page Next Page NOTE • You can select the following modes, according to the type of document you want to scan. Note that some functions may be restricted, depending on the mode settings. Black-and-White - [Black and White] Use this mode to scan text and line drawing documents as black-and-white (binary) images. - [Error Diffusion] Use this mode to scan documents containing photos as black-and-white (binary) images. - [Advanced Text Enhancement] (only for Windows) Use this mode to scan documents with a dark or non-uniform (pattern) background. y If the background is uniform it is removed where it surrounds the text. y If the background is non-uniform, such as a pattern, it is processed to enhance text readability. - [Advanced Text Enhancement II] Use this mode to scan documents with a light uniform background and low-contrast text. y The background in tight spaces around text may not be removed. y Documents with low-contrast text can be made more readable by adjusting [Contrast] on the [Brightness] tab. y If the background is non-uniform, such as a pattern, the background remains visible in the scanned image, and text may be hard to read. Grayscale - [256-level Gray] Scans documents containing photos as grayscale images. Color - [24-bit Color] Scans documents containing color photos as full-color images. Auto Color Detection - [Auto Color Detection] Whether a document is black-and-white or color is detected before the scanned image is saved. y When [Auto Color Detection] is enabled, the [Setting] button is enabled for opening the [Auto Color Detection] dialog box, where you can make settings affecting how color documents are scanned, and select which scanning mode to use for black-and-white. y Depending on the application program, operation may become unstable when [Auto Color Detection] is enabled. In that case, [Auto Color Detection] should be disabled. y For details, See "Auto Color Detection," on p. 66. • Depending on the mode setting, other functions may become unavailable, as shown below. Settings Tab Deskew Moire Reduction Edge emphasis Prevent Bleed Through / Remove Background Black/white reversion* Color Drop-out Batch Separation** Prescan I Scanning Mode Black and White {{{{{{{{ Error Diffusion {{{{{{{{ Advanced Text Enhancement (only for Windows) {{{ − {{{{ Advanced Text Enhancement II 256-level Gray {{{{ − {{{ 24-bit Color Auto Color Detection {: Available for setting −: Not available for setting or automatically set * Only available if scanner driver was called from TWAIN compatible application under Windows, and under Mac OS X ** Only available if scanner driver was called from ISIS compatible application under Windows 65