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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 122.)
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.
†
This setting can be changed using the Local Printer Setup Utility. See “Using the Local Printer Setup
Utility” on page 103 for more information.
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