80 Chapter 3 - Troubleshooting Q1342-90910
Table 13. Engine test troubleshooting
Problem Cause Solution
Engine test
print page is
filled with
evenly spaced
horizontal
lines.
Successful engine test. No action required.
No engine test
page prints.
Various possible causes. See “Basic troubleshooting” on page 64,
item 2.
Print page
comes out
curled or
wrinkled.
Paper curl is inherent to the laser printing
processes, and occurs when paper is
subjected to heat. Paper curl tends to
relax as the paper cools while resting on
a flat surface.
Make sure that the media meets
specifications detailed in the Print Media
Guide for the HP LaserJet printer family.
Paper is curled or wrinkled when using
the paper output bin.
Open the straight-through output door on
the back of the printer and use this paper
path. Reset the fuser mode to the
default.
Paper is not stored properly. Whenever possible, store paper in its
sealed ream at room temperature.
The fuser temperature is too high. Select Optimize for: in the Paper tab of
the printer driver (software). Make sure
that it is set for the appropriate media.
Print is
misaligned on
the page
(skewed
pages).
The input tray is overfilled. Remove some of the media.
The paper guides are not set correctly,
are broken, or are missing.
Be sure to center the paper with the side
media guides. Verify that the guides are
not adjusted too tightly or too loosely
against the media stack. Check for
broken or missing guides and replace as
necessary.
The media weight or surface finish does
not meet HP’s specifications.
Make sure that the media meets
specifications detailed in the Print Media
Guide for the HP LaserJet printer family.
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