HP LaserJet Pro 400 MFP M425 - 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.


Use the power switch to turn off the product, and then unplug

the power cord from the electrical socket.


Open the scanner lid.


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.


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.


Dry the glass and white plastic parts with a chamois or a

cellulose sponge to prevent spotting.


Plug in the product, and then use the power switch to turn on

the product.

174 Chapter 8 Solve problems