Service manual

Problem Cause Solution
The fuser might be damaged or dirty. Clean using instructions in HP Toolbox.
For more information, see
Repetitive
image defect ruler on page 149.
Aa
a
The printed page contains misformed
characters.
The media might not meet HP
specifications.
Use a different paper, such as high-
quality paper that is intended for color
laser printers.
If characters are incorrectly formed so
that they produce a wavy effect, the
laser scanner might need service.
Verify that the problem also occurs on
the Configuration page.
The printed page is curled or wavy.
The device is not set to print on the
type of media on which you want to
print.
In the printer driver, select the Paper
tab and set Type is to match the type
of paper on which you are printing.
Print speed might be slower if you are
using heavy paper.
The media might not meet HP
specifications.
Use a different paper, such as high-
quality paper that is intended for color
laser printers.
Both high temperature and humidity
can cause paper curl.
Check the device environment.
Text or graphics are skewed on the
printed page.
The media might be loaded incorrectly. Make sure that the paper or other print
media is loaded correctly and that the
media guides are not too tight or too
loose against the stack.
The media might not meet HP
specifications.
Use a different paper, such as high-
quality paper that is intended for color
laser printers.
The printed page contains wrinkles or
creases.
The media might be loaded incorrectly. Verify that the media is loaded
correctly and that the media guides are
not too tight or too loose against the
stack.
Table 6-13 General print quality issues (continued)
142 Chapter 6 Troubleshooting ENWW