Xerox Documate 4700 User Guide

Xerox® DocuMate® 4700
User’s Guide151
Main Panel Options
Some of the options in this panel may have advanced adjustment options on a different panel in this section. When 
the Advanced configuration mode is selected, an icon will appear next to those features which have adjustment 
options on another tab. Click on one of the icons to go to the area of the interface where the adjustment options are 
located.
Click on a link below to go to the appropriate page in this section for instructions on adjusting...

Xerox® DocuMate® 4700
User’s Guide 152 Color image brightness examples
The examples below show the original image at the default setting of 50% brightness level, 25% brightness and 
75% brightness. Adjusting the brightness level does not make the image completely black nor completely white.
Technical note:
Most monitors have a brightness setting that is user adjustable. When viewing scanned images on-screen, versus 
printing the image, the brightness setting of the monitor may affect how light or dark...

Xerox® DocuMate® 4700
User’s Guide153 • Pencil written letters, forms, or drawings - 55% to 65%
• Faded pictures or old documents with faded text - 60% to 70%
• Light colored carbon copy paper, such as yellow or pale pink or pale green, with light text - 45% to 55%
•Newspaper or magazine pages - 55% to 70%
• Book pages - 60% to 75%
• Pictures taken inside or in the shade - 40% to 60%
Color image contrast examples
The examples below show the original image at the default setting of 50% contrast level, 25%...

Xerox® DocuMate® 4700
User’s Guide 154 As the gamma value is adjusted higher, the tone curve bends and the highlights of the image are expanded, 
lightening the highlights without overall lightening the image with white as seen with raising the brightness level. 
This way, the highlights and shadows in the image are maintained by saturating the pixels with lighter levels of the 
same color rather than just adding white.
Adjusting the gamma level is based on how you want the image to appear and there is...

Xerox® DocuMate® 4700
User’s Guide155 The following example shows the original grayscale image and the inverted image.
The following example shows the original color image and the inverted image. 
Mirror Image
The Mirror image option flips the image left-to-right.
Bit Depth Reduction
The Bit depth reduction options are only available when scanning in black and white. Click the drop down menu 
and select an option from the list. 

Xerox® DocuMate® 4700
User’s Guide 156 Threshold and Dynamic threshold
Threshold enables you to set what level of light or dark to look for on a page. When scanning in black and white, 
everything on the page is set to either white pixels or black pixels in the final image. If the text on the page is a light 
color, then the text may be gone in the final image as the scanner will change those light colors to white pixels. The 
threshold slider lets you set the level of darkness or lightness of the text...

Xerox® DocuMate® 4700
User’s Guide157 Bayer dither scan - Close up
Fill Margin Holes
Select this option if you are scanning pages with punched holes in the margins. This option will fill these holes with 
the detected background color in the final scan.  The scanner will detect and fill the holes under the following 
conditions:
• The size of the hole can be between approximately 4 mm and 12 mm
• The maximum width of the margin is 25.4 mm from the edge of the paper
• The size of the margin is 24.4 mm
•...

Xerox® DocuMate® 4700
User’s Guide 158
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...

Xerox® DocuMate® 4700
User’s Guide159
Perform Color Correction
Apply color correction to the image so the displayed colors approximate the original item colors. Select this option to 
use the scanner’s default Gamma table which has been calibrated to produce the best quality color results for your 
scanner. When this option is not selected, the resulting scans will be dark and the brightness, contrast, and gamma 
options will require a greater amount of adjustment to affect the overall lightness of the...

Xerox® DocuMate® 4700
User’s Guide 160
Filter
Use the Filter option to increase or decrease the sharpness in the scanned image. Click the drop down menu and 
select an option from the list. Use the Mask slider to adjust the tolerance level of the filter.
Moiré Reduction
Moiré patterns are wavy or rippled lines that may appear in the scanned images of newspapers and magazines, and 
sometimes scanned images of photos, line drawings, and color scans of textured paper. Select the Moiré reduction 
option to...