1.5 How to Use the Scanner Driver

[About...] button

This button displays the version information.

Gamma

Specifies Gamma correction. Correction patterns are: "Normal", "Soft", "Sharp", "Cus- tom", or "Download".

DTC Variance

This option specifies the value for adjusting the variance based on the brightness of the image.

Edge Processing

This option specifies the sharpness of contour extraction.

Low, Mid, High

Emphasizes contour of images. Available settings

 

are: Low, Mid, High

Smoothing

Smoothes jaggy images.

Dropout Color

This option excludes selected color (the three primary colors of light i.e. green, red, blue) from scanned images. For example, if the document contains black text in a red frame and when the red color is selected, the scanner reads only the text and eliminate (drop out) the red frame.

Reverse

Colors of scanned images are reversed.

Power saving

This option specifies the waiting time before the scanner switches to the Power save mode.

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OPERATIONS SCANNER BASIC

fi-4220C Image Scanner Operator’s Guide

 

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