Troubleshooting > 76
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,
li
nt-free cloth.
The toner is low. Open output tray and tap the
cartridge a few ti
mes to evenly
distribu
te any remaining toner. If
symptoms persist, replace the
toner cartridge.
Foreign materials may be
pres
ent in the im
age drum.
Replace the image drum
cartridge.
Light-shielding film of the
image drum cartridge is dirty.
Wipe the fil
m with a soft, lint-
free cloth.
Printed images are
fadi
ng vertically
.
The LED head is dirty. Wipe the LED head with a soft,
lint-free cloth.
The toner is low. Open output tray and tap the
cartridge a few ti
mes to evenly
distribu
te any remaining toner. If
symptoms persist, replace the
toner cartridge.
The paper is not suitable for
th
e printer unit.
Us
e recommended paper.
Printing is light. The toner cartridge is not
properly seat
ed.
Reinstall the toner cartridge.
The toner is low. Open output tray and tap the
cartridge a few times to evenly
distribu
te any remaining toner. If
symptoms persist, replace the
toner cartridge.
The paper is moist. Use paper stored in proper
t
emper
ature and humidity
conditions.
The paper is not suitable for
th
e printer unit.
Us
e recommended paper.
Thickness and type of paper
are inappropriate.
Set the
correct value of media
type and media weight in the
Media menu or set one value
thicker for media weight.
Recycled paper is being used. Set one value thicker for media
w
eight
in the Media menu.
Partially faded images.
Wh
ite spots an
d lines
appear in solid
printing.
Paper is moist or dry. Use paper stored in proper
t
emperature and humidity
conditions.
Vertical lines appear. The image drum cartridge is
damaged.
Replace the image drum
cartridge.
The toner is low. Open output tray and tap the
cartridge a few ti
mes to evenly
distribu
te any remaining toner. If
symptoms persist, replace the
toner cartridge.
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