Oki MB451wMFP, User Manual

Page: 160 / 198

Other Issues
- 160 -
Printed images are light. The toner cartridge is not installed
properly.
Install the toner cartridge properly. P.168
The toner is low. Replace the toner cartridge. P.168
The paper is moist. Use paper stored under proper
temperature and humidity
conditions.
P.31
The paper is unsuitable. Use supported paper. -
The paper is unsuitable.
The settings of media type and
width are incorrect.
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 ].
P.36
The paper is recycled. Press the < SETTING > key and
select [ Paper Setup ] > the paper
tray you are using, and then select
the thicker values for [ Media
Weight ].
P.36
Yellow and green are used in the
original document.
If the original data was
transmitted, ask the sender to
change the color of the original
document to black and white.
-
Printed images are
partially faded. White
spots and lines appear.
The paper is too moist or dry. Use paper stored under proper
temperature and humidity
conditions.
P.31
Vertical lines appear. The image drum is damaged. Replace the image drum. P.169
The toner is low. Replace the toner cartridge. P.168
The document glass and paper
feed roller of the ADF are dirty.
Clean the document glass and
paper feed roller.
P.172
Horizontal lines and
spots appear
periodically.
If the interval of lines or spots is
about 94 mm (3.7 inches), the
image drum (the green tube) is
damaged or dirty.
Lightly wipe the image drum with
soft tissue paper.
Replace the image drum if it is
damaged.
P.169
If the interval of lines or spots is
about 40 mm (1.6 inches), foreign
materials may be present on the
image drum.
Open and close the top cover, and
print again.
-
The image drum has been exposed
to light.
Place the image drum back into
the machine and leave it for a few
hours. If it does not solve the
problem, replace the image drum.
P.169
The paper feed path is dirty. Print a few test copies. -
White area of paper is
lightly stained.
The paper contains static
electricity.
Use paper stored under proper
temperature and humidity
conditions.
P.31
The paper is too thick. Use thinner paper. -
The toner is low. Replace the toner cartridge. P.168
Periphery of letters is
smudged. The LED heads are dirty. Wipe the LED heads with soft
tissue paper. P.174
The paper is unsuitable. Use recommended paper. -
The paper is moist. Replace it with new paper. P.32
The entire paper area is
lightly stained when
printing on envelopes or
coated paper. The toner may be sticking to the
whole area of the envelope or
coated paper. This is not a malfunction of the
machine.
Coated paper is not recommended. -
Symptom Point to check Remedy Reference