HP LaserJet Pro MFP M521 series - Check the scanner glass for dirt and smudges

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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.

Press the power button to turn the product off,

and then disconnect the power cable from the

electrical outlet.

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2.

Open the scanner lid.

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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.

Connect the power cable to an outlet, and

then press the power button to turn the product

on.

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