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42 VISIONEER ONETOUCH 8100 SCANNER INSTALLATION GUIDE
4. Drag the Contrast slider to the left to decrease the contrast or to
the right to increase the contrast.
See the Help for more details about the Advanced Settings dialog box.
CLEANING THE SCANNER GLASS
Scanning items that have excessive amounts of dirt or dust may dirty the
scanner’s glass. To ensure the best quality scanned item, wipe the
scanner glass with a soft clean cloth to rid the glass of dust or other
debris.