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Solving print quality problems
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Troubleshooting
Streaked horizontal lines The print cartridges, the transfer
roller, image transfer unit, or fuser
may be defective, empty, or worn.
Replace the print cartridge, the transfer roller, the
image transfer unit, or fuser as needed.
From the printer operator panel, print the repetitive
defects guide to determine which component needs
to be replaced.
Streaked vertical lines • Toner is smeared before fusing
to the paper.
• The print cartridge is defective.
• If paper is stiff, try feeding from another tray.
• Replace the print cartridge that corresponds to
the color displayed on the control panel.
Print irregularities • Paper has absorbed moisture
due to high humidity.
• You are using paper that does
not meet the printer
specifications.
• The image transfer unit and
transfer roller are worn or
defective.
• 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 paper type, paper texture,
and paper weight settings match the type of
paper you are using.
• Replace the image transfer unit and transfer
roller.
• Replace the fuser.
Symptom Cause Solution
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