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Improving print quality
121
Vertical lines
●
Make sure that the priority input tray is in place.
●
The photosensitive drum inside the toner cartridge has
probably been scratched. Install a new HP toner cartridge.
See Changing the toner cartridge
for instructions.
Gray background
●
Make sure that the priority input tray is in place.
●
Decrease the print density setting through HP LaserJet
Device Configuration. This decreases the amount of
background shading. See Accessing the online help
.
●
Change the media to a lighter basis weight. See Printer
media specifications for more information.
●
Check the printer’s environment. Very dry (low humidity)
conditions can increase the amount of background shading.
●
Install a new HP toner cartridge. See Changing the toner
cartridge for instructions.
Toner smear
●
If toner smears appear on the leading edge of the media, the
media guides might be dirty. Wipe the media guides with a
dry, lint-free cloth. See Identifying the printer’s components
or Cleaning the printer
for more information.
●
Check the media type and quality.
●
Try installing a new HP toner cartridge. See Changing the
toner cartridge for instructions.
●
The fuser temperature might be too low. Check
Optimize
for:
in the
Paper
tab of your printer driver, and make sure
that it is set to the appropriate media.