Lexmark C500N User Manual page 70

Symptom
Streaked horizontal lines
ABCDE
ABCDE
ABCDE
Streaked vertical lines
ABCDE
ABCDE
ABCDE
Print irregularities
ABCDE
ABCDE
ABCDE
Print too light
Print too dark
Troubleshooting
Cause
The toner cartridges may be
defective, empty, or worn.
The fuser may be defective or
worn.
Toner is smeared before fusing to
the paper.
The toner cartridges are defective.
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.
The toner cartridges may be
empty.
You are using paper that does not
meet the printer specifications.
The toner cartridges are low on
toner.
The toner cartridges are defective
or have been installed in more
than one printer.
The toner cartridges are defective. Replace the toner cartridges.
Solving print quality problems
Solution
Replace the toner cartridges or fuser as needed.
If paper is stiff, try feeding from another tray.
Replace the color toner cartridge causing the
streaks.
Load paper from a fresh package in the tray.
Avoid textured paper with rough finishes.
Make sure the printer Media Type setting matches
the type of paper you are using.
Replace the fuser.
Replace the needed toner cartridge.
Load paper from a new package.
Avoid textured paper with rough finishes.
Make sure the paper you load in the trays is not
damp.
Replace the toner cartridges.
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