HP laserjet 3390, 3392 all-in-one Manuale Di Servizio

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Problem
Cause
Solution
The photosensitive drum inside the print
cartridge might have been scratched.
Install a new HP print cartridge. See
.
Black dots or streaks appear on the copy. Ink, glue, correction fluid, or an unwanted
substance might be on the automatic
document feeder (ADF) or flatbed
scanner.
Clean the all-in-one. See 
Copies are too light or dark.
The printer driver or all-in-one software
settings might be incorrect.
Verify that the quality settings are
correct.
See the all-in-one software Help for more
information about changing the settings.
Text is unclear.
The printer driver or all-in-one software
settings might be incorrect.
Verify that the quality settings are
correct.
See the all-in-one software Help for more
information about changing the settings.
Media-handling problems
Problem
Cause
Solution
Poor print quality or toner adhesion
The paper is too moist, too rough, too
heavy or too smooth, or it is embossed
or from a faulty paper lot.
Try another kind of paper, between 100
and 250 Sheffield, 4% to 6% moisture
content.
Dropouts, jamming, or curl
The paper has been stored incorrectly.
Store paper flat in its moisture-proof
wrapping.
The paper has variability from one side
to the other.
Turn the paper over.
Excessive curl
The paper is too moist, has the wrong
grain direction, or is of short-grain
construction
Open the rear output bin, or use long-
grain paper.
The paper varies from one side to the
other.
Turn the stack over.
Jamming, damage to all-in-one
The paper has cutouts or perforations.
Use paper that is free of cutouts or
perforations.
Problems with feeding
The paper has ragged edges.
Use high-quality paper that is made for
laser printers.
The paper varies from side-to-side.
Turn the paper over.
The paper is too moist, too rough, too
heavy or too smooth, has the wrong grain
direction, or is of short-grain construction
Try another kind of paper, between 100
and 250 Sheffield, 4% to 6% moisture
content.
ENWW
Copy problems
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