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C7350/7550 User’s Guide: Troubleshooting • 526
Print Quality Problems
Faded Output
Streaks
Faded Output
Random Patches
Faded Output
Print
Possible cause Remedy
LED head is dirty. Clean LED head with lens cleaner or soft tissue.
See “Cleaning the LED heads” on page 502.
Toner is low. Change toner cartridge.
See “Changing the Toner Cartridge” on page 484.
Paper is unsuitable
for printer.
Use recommended paper.
See Paper (Media)“Recommendations” on page 62.
Possible cause Remedy
The paper is moist. Store paper within specified temperature and
humidity levels.
See Paper (Media)“Recommendations” on
page 62.
Possible cause Remedy
The toner cartridge
is incorrectly
installed.
Reinstall the toner cartridge.
See “Changing the Toner Cartridge” on page 484.
Toner is low. Change toner cartridge.
The paper is moist. Store paper within specified temperature and
humidity levels.
See Paper (Media)“Recommendations” on page 62.
Paper is unsuitable
for printer.
Use recommended paper.
See Paper (Media)“Recommendations” on page 62.