Oki MPS480mb MPS480mb User Guide (English) - Page 161

Dealing with unsatisfactory printing

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Dealing with unsatisfactory printing SYMPTOMS Vertical white lines can be seen on the printed page. Printed images are fading vertically. Printing is light. Partially faded images. White spots and lines appear in solid printing. POSSIBLE CAUSES The LED head is dirty. The toner is low. Foreign materials may be present in the image drum. Light-shielding film of the image drum cartridge is dirty. The LED head is dirty. The toner is low. The paper is not suitable for the printer unit. The toner cartridge is not properly seated. The toner is low. The paper is moist. The paper is not suitable for the printer unit. Thickness and type of paper are inappropriate. Recycled paper is being used. Paper is moist or dry. STEPS TO TAKE Wipe the LED head with a soft, lint-free cloth. Open the top cover and tap the cartridge a few times to evenly distribute any remaining toner. If symptoms persist, replace the toner cartridge. Replace the image drum cartridge. Wipe the film with a soft, lint-free cloth. Wipe the LED head with a soft, lint-free cloth. Open the top cover and tap the cartridge a few times to evenly distribute any remaining toner. If symptoms persist, replace the toner cartridge. Use recommended paper. Reinstall the toner cartridge. Open the top cover and tap the cartridge a few times to evenly distribute any remaining toner. If symptoms persist, replace the toner cartridge. Use paper stored in proper temperature and humidity conditions. Use recommended paper. Set a proper value for Media Weight and Media Type in the Paper Setup menu, or set one value thicker for Media Weight. Set one value thicker for Media Weight in the Paper Setup menu. Use paper stored in proper temperature and humidity conditions. 161 • Troubleshooting

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161 • Troubleshooting
Dealing 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 Paper Setup menu, or
set one value thicker for Media Weight.
Recycled paper is being used.
Set one value thicker for Media Weight in
the Paper Setup 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.