Troubleshooting > 126
D
EALING
WITH
UNSATISFACTORY
PRINTING
SYMPTOMS POSSIBLE CAUSES STEPS TO TAKE
Vertical white lines can
be seen on the printed
page.
The LED head is dirty. Wipe the LED head with a
soft, lint-free cloth.
The toner is low. Open the top cover and tap
the cartridge a few times to
evenly distribute any
remaining toner. If
symptoms persist, replace
the toner cartridge.
Foreign materials may be
present in the image drum.
Replace the image drum
cartridge.
Light-shielding film of the
image drum cartridge is
dirty.
Wipe the film with a soft,
lint-free cloth.
Printed images are
fading vertically.
The LED head is dirty. Wipe the LED head with a
soft, lint-free cloth.
The toner is low. Open the top cover and tap
the cartridge a few times to
evenly distribute any
remaining toner. If
symptoms persist, replace
the toner cartridge.
The paper is not suitable for
the printer unit.
Use recommended paper.
Printing is light. The toner cartridge is not
properly seated.
Reinstall the toner cartridge.
The toner is low. Open the top cover and tap
the cartridge a few times to
evenly distribute any
remaining toner. If
symptoms persist, replace
the toner cartridge.
The paper is moist. Use paper stored in proper
temperature and humidity
conditions.
The paper is not suitable for
the printer unit.
Use recommended paper.
Thickness and type of paper
are inappropriate.
Set a proper value for Media
Weight and Media Type in
the Printer menu, or set one
value thicker for Media
Weight.
Recycled paper is being used. Set one value thicker for
Media Weight in the Printer
menu.
Partially faded images.
White spots and lines
appear in solid
printing.
Paper is moist or dry. Use paper stored in proper
temperature and humidity
conditions.
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