Canon imageFORMULA DR-6030C DR-6030C User Manual - Page 73
Black and White], Error Diffusion], Advanced Text Enhancement], 256-level Gray], 24-bit Color]
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Chapter 3 ☞ Depending on the application program, operation may become unstable when [Auto Color Detection] is enabled. In that case, [Auto Color Detection] should be disabled. ☞ When using an application that supports the MultiStream function (such as CapturePerfect), if [Auto Color Detection] is selected, the MultiStream function is disabled. [Black and White] Use this mode to scan text and line drawing documents as black and while (binary) images. [Error Diffusion] Use this mode to scan documents containing photos as black and white (binary) images. [Advanced Text Enhancement] Use this mode to scan documents with a dark or non-uniform (pattern) background. ☞ If the background is uniform it is removed where it surrounds the text. ☞ If the background is non-uniform, such 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 lowcontrast text. ☞ The background in tight spaces around text may not be removed. ☞ Documents with low-contrast text can be made more readable by adjusting Contrast on the [Brightness] tab sheet. ☞ If the background is non-uniform, such a pattern, the background remains visible in the image, and text may be hard to read. [High-Speed Text Enhancement] This mode optimizes processing speed by performing background processing within the scanner, and is good for scanning documents with light background and dark text. ☞ If the text and background in a document have nearly the same density, the text may be hard to read. ☞ Areas with uniform background may appear as non-uniform white in the image. ☞ Because background processing is performed within the scanner, scanned images are more susceptible to lines appearing due to dirt on the scanning table glass. In cases where this may be a problem, try scanning again after cleaning the scanner glass, or select one of the [Advanced Text Enhancement] or [Advanced Text Enhancement II] modes instead. [256-level Gray] Scans documents such as photos as 256-level grayscale images. [24-bit Color] Scans documents such as color photos as full-color images. Software Setup 67