Xerox
®
DocuMate
®
4799 Scanner Options, Maintenance and Troubleshooting
6-26 User Guide
3. Click on the Restore Default button.
4. Click on OK to restore the factory default adjustment.
5. When the adjustment has been restored, click on OK to close the User Utility shading restore
window.
Troubleshooting
Problem: The scanner won’t scan. What’s wrong?
Check for one of these possible causes:
• Are the cables loose or not plugged in securely? Inspect the cable connections. Make sure
the cables are plugged in securely.
• Is the scanner’s status light on? Turn on the scanner’s power. If the status light doesn’t
come on, plug the power supply into another electrical outlet. If you are using a UPS battery
back-up or power strip, try plugging the scanner directly to a wall outlet.
• Did you restart the computer and scanner? If the scanner gets a paper jam, or looses
connection because of an error, try restarting your computer and power cycling the scanner.
• Did you plug the scanner into a USB hub? If you’re using a USB hub to connect the scanner
try plugging the scanner’s USB cable directly to the back of the computer. It is not
recommended that you use the scanner with a USB hub, if you are using a hub, the hub must
have its own power supply.
• Is the USB cable 6’ or less? If you are using a USB cable that is longer than 6’ you may lose
connection to the scanner. The recommended USB cable length is 6’ or less, the USB cable
provided with your scanner is within this range.
• Did you select another image source in the scanning software? If you use multiple
imaging devices with your computer, such as a camera, all-in-one printer, or another scanner,
you may have selected another source for images. Make sure Xerox
®
DocuMate
®
4799 is
selected as the scanner.
Problem: The scanned images are of poor quality. What do I do?
There are various reasons why the scanned image is of poor quality. The original document may
not be of good quality, the scanner glass may be dirty, or a shading adjustment may be needed.
• If the original is crinkled, torn, dirty or smudge, try scanning from the Kofax Virtual ReScan
(VRS™) software. VRS is a powerful image enhancement application that you can use to filter
this type of noise from the document during image processing. The resulting image is of a
quality equal or greater to the original.
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General
Weight and Dimensions
