Oki MC361dn User Manual page 153

Symptom
Printed images are
fading vertically.
Printed images are light. The toner cartridge is not installed
Printed images are
partially faded. White
spots and lines appear.
Vertical lines appear.
Horizontal lines and
spots appear
periodically.
Point to check
The LED heads are dirty.
The toner is low.
The paper is unsuitable.
properly.
The toner is low.
The paper is moist.
The paper is unsuitable.
The paper is unsuitable.
The settings of media type and
width are incorrect.
The paper is recycled.
Yellow and green are used in the
original document.
The paper is too moist or dry.
[Paper Black Setting] or [Paper
Color Setting] is improperly con-
figured.
The image drum unit is damaged.
The toner is low.
The document glass and paper
feed roller of the ADF are dirty.
If the interval of lines or spots is
about 94 mm (4 inches), the
image drum (the green tube) is
damaged or dirty.
If the interval of lines or spots is
about 30 mm (1.5 inches), foreign
materials may be present on the
image drum unit.
If it happens every 90 mm or so,
there is damage to the fuser unit.
The image drum unit has been
exposed to light.
The paper feed path is dirty.
Remedy
Wipe the LED heads with soft
tissue paper.
Replace the toner cartridge.
Use supported paper.
Install the toner cartridge properly.
Replace the toner cartridge.
Use paper stored in proper
temperature and humidity
conditions.
Use supported paper.
Press the <SETTING> key and
select [Paper Setup] > the paper
tray you are using, and then select
the proper values for [Media
Type] and [Media Weight]. Or,
select the thicker values for
[Media Weight].
Press the <SETTING> key and
select [Paper Setup] > the paper
tray you are using, and then select
the thicker values for [Media
Weight].
If the original data was
transmitted, ask the sender to
change the color of the original
document to black and white.
Use paper stored in proper
temperature and humidity
conditions.
Press the <SETTING> key and
select [Admin Setup] > [Print
Setup] > [Print menu] >
[Printer Adjust], and then
change the value for [Paper Black
Setting] or [Paper Color Set-
ting].
Replace the image drum unit.
Replace the toner cartridge.
Clean the document glass and
paper feed roller.
Lightly wipe the image drum with
soft tissue paper.
Replace the image drum unit if it is
damaged.
Open and close the top cover, and
print again.
Change the fuser unit.
Place the image drum unit back
into the machine and leave it for a
few hours. If it does not solve the
problem, replace the image drum
unit.
Print a few test copies.
- 153 -
Other Troubles
Reference
P.170
P.161
-
P.161
P.161
P.65
-
P.69
P.69
-
P.65
7
-
P.163
P.161
P.168
P.163
-
P.166
P.163
-