Oki C9655n User Manual page 64

SYMPTOMS
Printing is light.
Partially faded images.
White spots and lines
appear in solid printing.
Vertical lines appear.
Horizontal Lines and spots
appear periodically.
White area of paper is
lightly stained.
Periphery of the letters is
smudged.
Toner comes off when it is
rubbed.
Glossiness is not uniform.
POSSIBLE CAUSES
The toner cartridge is not properly
seated.
The toner is low.
The paper is moist.
The paper is not suitable for the
printer.
Thickness and type of paper are
inappropriate.
Recycled paper is being used.
Paper is moist or dry.
The image drum cartridge is
damaged.
The toner is low.
When the interval is about 94mm
(4in), the image drum (the green
tube) is damaged or dirty.
When the interval is about 42mm
(1.5in), there may be foreign
particles in the image drum
cartridge.
When the interval is about 87mm
(3.5in), the fuser unit is damaged.
The image drum cartridge has been
exposed to light.
Paper contains static.
Too thick paper is used.
The toner is low.
The LED head is dirty.
The thickness and type of the paper
are incorrectly set.
Recycled paper is used.
The thickness and type of the paper
are incorrectly set.
Troubleshooting > 64
STEPS TO TAKE
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.
Replace the image drum cartridge.
Replace the toner cartridge.
Wipe it lightly with a soft cloth. Replace
the image drum cartridge when it is
damaged.
Open/close the top cover, and print
again.
Replace the fuser unit.
Replace the image drum cartridge if the
problem is not resolved.
Use paper stored in proper
temperature and humidity conditions.
Use thinner paper.
Replace the toner cartridge.
Wipe the head with LED lens cleaner or
with a soft cloth.
Set the correct value of media type and
media weight in the menu setup or set
one value thicker for media weight.
Set one value thicker for media weight
in the menu setup.
Set the correct value of media type and
media weight in the menu setup or set
one value lighter for media weight.