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Scanning from TWAIN and WIA
Xerox
®
DocuMate
®
4799
User’s Guide
7-146
Remove Background
Automatically detect the background color of the scanned item and set it to white in the image.
Initialize White Level From Document
Automatically detect and adjust the white level using the leading edge of the scanned item. This is a feature that
uses the scanner for processing and it is available whether or not Visioneer Acuity is installed. However, please
note that there will be a black line at the top of each image. This is where the scanner starts the image capture
as the reference point for it to detect and set the background as white in the image.
When Visioneer Acuity is installed, we recommend you use Remove background if you want to have the
background automatically removed without seeing this black line.
White Level
With this option you can set what the scanner should interpret as “white” in the final image, even though the
page being scanned may have a shaded or off-white background. You may want to adjust this option to have the
image automatically corrected when you are scanning irregular paper, such as thick or thin paper, that may
cause the white page in the final image to appear shaded with a pale grey. This option is only available when
scanning in Color or Gray.
Gray scan
Gray scan with Smooth background
Color scan
Color scan with Remove background
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