Dropouts, Vertical lines, Gray background – HP LASERJET PRO P1102w User Manual
Page 108: Dropouts vertical lines gray background
Dropouts
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A single sheet of media might be defective. Try reprinting
the job.
●
The media moisture content is uneven or the media has
moist spots on its surface. Try printing with new media.
●
The media lot is bad. The manufacturing processes can
cause some areas to reject toner. Try a different type or
brand of media.
●
The print cartridge might be defective. Install a new
genuine HP print cartridge.
Vertical lines
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Toner might be on the photosensitive drum. Print a few
more pages to see if the problem might correct itself.
●
The photosensitive drum inside the print cartridge has
probably been scratched. Install a new genuine HP print
cartridge.
Gray background
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Change the media to a lighter basis weight.
●
Check the product environment. Very dry (low humidity)
conditions can increase the amount of background
shading.
●
The density setting might be too high. Adjust the density
setting. See
Change print density on page 98
●
Install a new genuine HP print cartridge.
94
Chapter 8 Solve problems
ENWW