Lexmark C920 User Manual page 145

Symptom
Dark Lines
Light colored line,
white line, or wrong
colored line
Streaked horizontal
lines
Streaked vertical lines
Print irregularities
ABCDE
ABCDE
ABCDE
Downloaded From ManualsPrinter.com Manuals
Troubleshooting
Cause
A toner cartridge, a
photodeveloper, or the transfer
belt is defective.
ABCDE
ABCDE
ABCDE
The LEDs are dirty.
ABCDE
ABCDE
A toner cartridge, a
photodeveloper, the transfer
belt, or fuser may be defective,
ABCDE
empty, or worn.
ABCDE
ABCDE
• Toner is smeared before
fusing to the paper.
• The toner cartridge is
ABCDE
defective.
ABCDE
ABCDE
• Paper has absorbed
moisture due to high
humidity.
• You are using paper that
does not meet the printer
specifications.
• A photodeveloper, the
transfer belt or the fuser is
worn or defective.
Solving print quality problems
Solution
If the problem is on the front (print side) of
the page:
1 Replace the color cartridge causing the
line.
2 If you still have the problem, replace the
photodeveloper (black alone or all other
colors at once).
If the problem is on the back of the page,
replace the transfer belt.
See Cleaning the LEDs.
Replace the cartridge, photodeveloper
(black alone or all other colors at once),
transfer belt, or fuser as needed.
• If paper is stiff, try feeding from another
tray.
• Replace the color cartridge causing the
streaks.
• Load paper from a fresh package in the
paper tray.
• Avoid textured paper with rough finishes.
• Make sure the printer's paper type and
paper weight settings match the type of
paper you are using.
• Replace photodeveloper (black alone or
all other colors at once), the transfer belt
or the fuser.
145