Oki C822n User Manual

- 100 -
Other Issues
3
3. Troubleshooting
Image Quality Issues
Memo
● If the following information does not solve your issue, contact your dealer.
Symptom Point to check Remedy Reference
Vertical lines appear.
Paper feed direction
The LED heads are dirty. Wipe the LED heads with a soft
tissue paper.
page 122
The toner is low. Replace the toner cartridge. page 107
The image drum is damaged. Replace the image drum. page 112
Foreign materials may be
present on the image drum.
Replace the image drum. page 112
The light-shielding lm of the
image drum is dirty.
Wipe the lm with a soft tissue
paper.
-
The image drum is not installed
properly.
Install the image drum properly. page 112
Printed images are
fading vertically.
Paper feed direction
The LED heads are dirty. Wipe the LED heads with soft tissue
paper.
page 122
The toner is low. Replace the toner cartridge. page 107
The paper is unsuitable. Use supported paper. page 53
Printed images are light.
The toner save is enabled. Change the toner save settings. -
The toner cartridge is not
installed properly.
Install the toner cartridge properly. page 107
The toner is low. Replace the toner cartridge. page 107
The paper is moist. Use paper stored in proper
temperature and humidity
conditions.
page 53
The paper is unsuitable. Use supported paper. page 53
The paper is unsuitable.
The settings of media type and
weight are incorrect.
Press the <ENTER> button
and select [Menus] > [Tray
Conguration] > the paper tray
conguration you are using, and
then select the proper values for
[Media Type] and [Media Weight].
Or, select a larger value for [Media
Weight].
page 53
The paper is recycled.
The media weight setting is
unsuitable.
Press the <ENTER> button
and select [Menus] > [Tray
Conguration] > the paper tray
you are using, and then select a
larger value for [Media Weight].
page 53
Printed images are
partially faded. Spots
and lines appear.
The paper is too moist or dry. Use paper stored in proper
temperature and humidity
conditions.
page 53
[Paper Black Setting] or
[Paper Color Setting] is
improperly congured.
Press the <ENTER> button and
select [Menus] > [System Adjust],
and then change the value for
[Paper Black Setting] or [Paper
Color Setting].
-
[Trans. Black Setting] or
[Trans. Color Setting] is
improperly congured.
Press the <ENTER> button and
select [Menus] > [System Adjust],
and then change the value
for [Trans. Black Setting] or
[Trans. Color Setting].
-

Oki C822n Specifications

General

Brand	Oki
Model	C822n
Category	Printer
Language	English