Dealing With Unsatisfactory Printing - Oki C9000 Series User Manual

D
EALING 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.
C9800 MFP User's Guide> 152
STEPS TO TAKE
Wipe the LED head with a
LED lens cleaner or with a
soft cloth.
Replace the toner cartridge.
Replace the image drum
cartridge.
Wipe the film with a LED
lens cleaner or with a soft
cloth.
Wipe the LED head with a
LED lens cleaner or with a
soft cloth.
Replace the toner cartridge.
Use recommended paper.
Reinstall the toner
cartridge.
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 menu setup, or
set one value thicker for
[Media Weight].
Set one value thicker for
[Media Weight] in the menu
setup.
Use paper stored in proper
temperature and humidity
conditions.