Canon 3801B002 User Manual - Page 106
Mode in case of binary, Brightness, Contrast, Scan Area] Dialog Box, Scan Area Dialog Box ISIS Driver
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Chapter 7 ISIS/TWAIN Driver Settings ☞ Changing these settings is not normally necessary. Change them only if you want a document of light colors to be judged to be a black-and-white document. ☞ Select [24-bit Color] if color documents are judged to be black-and-white documents with the default settings. Mode in case of binary Select the scanning mode when a page is judged to be black and white. ☞ [Advanced Text Enhancement] is disabled when [Auto Color Detection] is enabled. Brightness This control adjusts brightness when [Advanced Text Enhancement] or [Advanced Text Enhancement II] is selected with Black and White mode. For other modes, brightness is set on the [Brightness] tab sheet. Contrast This control adjusts contrast when [Advanced Text Enhancement II] is selected with Black and White mode. For other modes, contrast is set on the [Brightness] tab sheet. [Scan Area] Dialog Box In this dialog box you can define the area of the document page to scan on a selected page size, and register non-standard document page sizes. The Scan Area dialog box is different for ISIS and TWAIN drivers: for the TWAIN driver, one of two dialog box types is displayed depending on the application program used. Scan Area Dialog Box (ISIS Driver) Area window 7-11