Xerox 4799 User Manual download pdf (Page 155)

Scanning from TWAIN and WIA

Xerox

DocuMate

4799

User’s Guide

7-147

• The position of the hole cannot be flush to the edge of the margin area and it cannot overlap the edge of

the margin area

Color Processing Panel Options

The options in this panel are for setting how the scanner should process colors in specific color modes.

Color Dropout

Color dropout tells the scanner and software to remove a specific color from the image. You can choose either

Red, Green, or Blue, or define a custom color, to be dropped out of an image.

To input a custom color using its RGB value, select Custom in this list and then input the values for R, G, and B in

their appropriate boxes, where R, G, and B are numbers from 0 to 255.

Tolerance—use the slider to adjust the precision of the color dropout.

• More precise—this option removes a range of colors closest to the pure color selected or defined in the

custom fields. For example, pure red has an R/G/B value of 255/0/0. Selecting Red indicates that the scanner

should look for a range of RGB reds close to pure red and remove them from the image.

• More approximate—this option removes a wider range of colors based on the pure color selected in the list

or defined in the custom fields.

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Xerox 4799 User Manual Page 155