HP LaserJet P2055dn - Manual (Page 132)

Vertical lines
The photosensitive drum inside the print cartridge has probably
been scratched. Install a new HP print cartridge.
Gray background
● Change the media to a lighter basis weight.
● Check the printer's environment. Very dry (low humidity)
conditions can increase the amount of background
shading.
● The density setting might be too high. Adjust the density
setting.
● Install a new HP print cartridge.
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.
● Check the media type and quality.
● The fuser temperature might be too low. In your printer
driver, make sure the appropriate media type is selected.
● Try installing a new HP print cartridge.
Loose toner
● The fuser temperature might be too low. In your printer
driver, make sure the appropriate media type is selected.
● Clean the inside of the printer.
● Check the media type and quality.
● In your printer driver, make sure the appropriate media
type is selected.
● Plug the printer directly into an AC outlet instead of into a
power strip.
120 Chapter 10 Solve problems ENWW