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Print quality problems
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Troubleshooting
Print quality problems
You can solve many print quality problems by replacing a supply or maintenance item that has reached the end of its
intended life. Use the following table to find solutions to print quality problems.
Symptom Cause Solution
White lines • The printhead lens is dirty.
• Either the toner cartridge or the
fuser is defective.
Try the following in this order:
1 Clean the printhead lens.
(See How to clean the printhead
lens on page 109.)
2 Replace the toner cartridge.
3 Replace the fuser
*
.
Streaked horizontal lines The toner cartridge or fuser may be
defective, empty, or worn.
Replace the toner cartridge or fuser
*
as needed.
Streaked vertical lines • Toner is smeared before fusing to
the paper.
• The toner cartridge is defective.
• If paper is stiff, try feeding from
another tray or the manual feeder.
• Replace the toner cartridge.
Print irregularities • Paper has absorbed moisture due
to high humidity.
• You are using paper that does not
meet the printer specifications.
• The fuser is worn or defective.
• Load paper from a fresh package in
the paper tray.
• Avoid textured paper with rough
finishes.
• Make sure the printer driver paper
type setting matches the type of
paper you are using.
• Replace the fuser
*
.
*
To replace the fuser, call a service technician.
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