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Owner's of the HP (Hewlett-Packard) All in One Printer HP LaserJet Pro 400 M451DW Laser Printer gave it a score of 0 out of 5. Here's how the scores stacked up:
Solve fax quality problems
Check the scanner glass for dirt and smudges
Over time, specks of debris might collect on the scanner glass and white plastic backing, which can
affect performance. Use the following procedure to clean the scanner.
1. Use the power switch to turn off the product,
and then unplug the power cord from the
electrical socket.
2. Open the scanner lid.
3. Clean the scanner glass, the document feeder
strips, and the white plastic backing with a soft
cloth or sponge that has been moistened with
nonabrasive glass cleaner.
CAUTION: Do not use abrasives, acetone,
benzene, ammonia, ethyl alcohol, or carbon
tetrachloride on any part of the product; these
can damage the product. Do not place liquids
directly on the glass or platen. They might seep
and damage the product.
4. Dry the glass and white plastic parts with a
chamois or a cellulose sponge to prevent
spotting.
5. Plug in the product, and then use the power
switch to turn on the product.
192 Chapter 8 Solve problems ENWW
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