Service manual

Problem Example Cause Solution
The amount of
background toner
shading becomes
unacceptable.
The media might not meet
HP specifications.
Use a different paper with a lighter
basis weight.
The priority input tray might be
installed incorrectly.
Make sure that the priority input
tray is in place.
The print-density setting is too
high.
Decrease the print-density setting
through the print driver. This
decreases the amount of
background shading.
Very dry (low humidity) conditions
can increase the amount of
background shading.
Check the product environment.
The print cartridge might be
defective. If you are using a non-
HP print cartridge, no messages
appear on the product control
panel.
Replace the print cartridge. See
Print cartridge on page 25.
Toner smears appear on
the media.
The media might not meet
HP specifications.
Use media that meets
HP specifications.
If toner smears appear on the
leading edge of the paper, the
media guides are dirty, or debris
has accumulated in the print path.
Clean the media guides and the
paper path. See
Clean the paper
path on page 29.
The fuser temperature might be
too low.
In the printer driver, make sure
the appropriate media type is
selected.
The toner smears easily
when touched.
The product is not set to print on
the type of media on which you
want to print.
In the printer driver, select the
Paper/Quality tab and set Paper
Type to match the type of media
on which you are printing. Print
speed might be slower if you are
using heavy paper.
The media might not meet
HP specifications.
Use media that meets
HP specifications.
The paper path might need
cleaning.
Clean the paper path. See Clean
the paper path on page 29.
The power source might be
defective.
Plug the product directly into an
AC outlet instead of into a power
strip.
The fuser temperature might be
too low.
Use the archive print feature to
improve toner fusing.
ENWW Print problems 121