Problem Cause Solution
Marks repeatedly appear at even
intervals on the unprinted side of the
page.
Internal parts might have toner on them. The problem typically corrects itself after
a few more pages.
The paper path might need cleaning. Clean the paper path. See Clean the
paper path on page 73.
The fuser might be damaged or dirty. To determine if the fuser has a problem,
print the diagnostics page.
Clean the paper path. See
Clean the
paper path on page 73.
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. If so, replace the
product.
The printed page is curled or wavy. 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 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 Service menu item Less paper
curl is set to Off.
Change the setting to On.
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 product 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. See
Load paper
and print media on page 43.
The media might not meet
HP specifications.
Use a different paper, such as high-
quality paper that is intended for color
laser printers.
ENWW Solve image quality problems 297
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