HP LaserJet 1020 Plus Printer - Manual (Page 74)

Vertical lines
● The photosensitive drum inside the print cartridge has
probably been scratched. Install a new HP print cartridge.
See
Changing the print cartridge on page 51 for
instructions.
Gray background
● Decrease the print density setting through printer
properties. This decreases the amount of background
shading. See
Printer properties (driver) on page 8 .
● Change the media to a lighter basis weight. See Printer
media considerations on page 11 for more information.
● Check the printer's environment. Very dry (low humidity)
conditions can increase the amount of background
shading.
● Install a new HP print cartridge. See Changing the print
cartridge on page 51 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
Cleaning the printer
on page 40 for more information.
● Check the media type and quality.
● Install a new HP print cartridge. See Changing the print
cartridge on page 51 for instructions.
● The fuser temperature might be too low. In your printer
driver, make sure that the appropriate media type is
selected.
64 Chapter 4 Problem solving ENWW