HP LaserJet 1220 HP LaserJet 1200 Series - User Guide - Page 123

Vertical lines, Gray background, Toner smear, Optimize, Paper

Page 123 highlights

Vertical lines q Make sure that the priority input tray is in place. q 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 q Make sure that the priority input tray is in place. q Decrease the print density setting through HP LaserJet Device Configuration. This decreases the amount of background shading. See Accessing the online help. q Change the media to a lighter basis weight. See Printer media specifications for more information. q Check the printer's environment. Very dry (low humidity) conditions can increase the amount of background shading. q Install a new HP toner cartridge. See Changing the toner cartridge for instructions. Toner smear q 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. q Check the media type and quality. q Try installing a new HP toner cartridge. See Changing the toner cartridge for instructions. q 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. EN Improving print quality 121

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EN
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.