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Problem Cause Solution
A print cartridge may have a problem. To determine which cartridge has a
problem, print the PQ diagnostics page
from HP ToolboxFX.
Marks repeatedly appear at even
intervals on the unprinted side of the
page.
Aa
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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 printer.
The fuser might be damaged or dirty. Clean using instructions in
HP ToolboxFX.
Contact HP Customer Care. See
HP Customer Care or the support flyer
that came in the printer box.
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, contact
HP Customer Care. See
HP Customer
Care or the support flyer that came in
the printer box.
The printed page is curled or wavy.
The printer 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 printer 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
Loading
trays.
The media might not meet HP
specifications.
Use a different paper, such as high-
quality paper that is intended for color
laser printers.
ENWW Print problems 159