HP laserjet 3390, 3392 all-in-one Manuale Di Servizio
Cleaning the all-in-one
To clean the exterior
Use a soft, damp, lint-free cloth to wipe dust, smudges, and stains off of the exterior of the all-in-one.
Cleaning the flatbed scanner glass
Dirty glass, from fingerprints, smudges, hair, and so on, slows down performance and affects the
accuracy of special features such as fit-to-page and copy.
accuracy of special features such as fit-to-page and copy.
NOTE
If streaks or other defects appear only on copies produced from the ADF, clean the ADF
scanner glass (step 3). It is not necessary to clean the flatbed scanner glass.
1.
Turn off the all-in-one, unplug the power cord from the electrical outlet, and raise the scanner cover.
2.
Clean the glass by using a soft cloth or sponge that has been moistened with nonabrasive glass
cleaner.
cleaner.
CAUTION
Do not use abrasives, acetone, benzene, ammonia, ethyl alcohol, or carbon
tetrachloride on any part of the all-in-one; these can damage the all-in-one. Do not place
liquids directly on the glass. They might seep under it and damage the all-in-one.
liquids directly on the glass. They might seep under it and damage the all-in-one.
Figure 3-23
Cleaning the scanner glass (1 of 2)
ENWW
Cleaning the all-in-one
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