HP 4400C Manual do Utilizador descarregar pdf (Página 111)

Back to TOC Troubleshooting and maintaining 111

Cleaning and maintaining

Periodically, the scanner and accessories might need to be cleaned or

to have maintenance, especially if you are seeing marks or smudges

on scanned images.

Cleaning the scanner glass

You might need to clean the scanner glass if the ink on items you are

scanning can be smudged with your hand or items have excessive

amounts of dust or dirt on them. You might also need to clean the

scanner glass if there are smudges or other marks on scanned

images.

To clean the scanner glass

1 Disconnect the power cable from the scanner.

2 Open the scanner lid.

3 Clean the glass using a soft, lint-free cloth sprayed with a mild

glass cleaner.

CAUTION Only use glass cleaner. Avoid abrasives, acetone,

benzene, and carbon tetrachloride, all of which can

damage the scanner glass. Avoid isopropyl alcohol

because it can leave streaks on the glass.

4 Dry the scanner glass with a dry, soft, lint-free cloth.

5 When finished, reconnect the power cable to the scanner.

Fingerprints or smudges on the underside of the glass do not affect the

appearance of scanned images because this area of the glass is

outside the focal point of the scanner.

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HP 4400C Manual do Utilizador Página 111