Print Quality Problems - Oki B820N Setup Instructions

Print Quality Problems

Vertical white lines appear on printed pages.
The LED head is dirty.
The toner is low.
Foreign materials are stuck.
The light shielding film of the image
drum is dirty.
Printed images are faded vertically.
The LED head is dirty.
The toner is low.
The paper is not suitable for the printer.
Printed images are light.
The toner cartridge is not installed
properly.
The toner is low.
The paper is moist.
The paper is not suitable for the printer.
The settings of thickness or type of the
paper are incorrect.
The setting of [Printer Darkness] is
incorrect.
Recycled paper is being used.
Wipe the LED head with soft tissue paper.
Take a shock to toner cartridge. If it cannot clear the
problem, replace the toner cartridge.
Replace the image drum. (Page
Wipe the light shielding film with soft tissue paper.
Light Shielding Film
Wipe the LED head with soft tissue paper.
Take a shock to toner cartridge. If it cannot clear the
problem, replace the toner cartridge.
Use recommended paper. (Page
Reinstall the toner cartridge properly.
(Page 15)
Take a shock to toner cartridge. If it cannot clear the
problem, replace the toner cartridge.
Use paper stored in proper temperature and humidity
conditions. (Page 56)
Use recommended paper. (Page
Set a proper value for [MEDIATYPE] and
[MEDIAWEIGHT] in [MEDIA MENU], or set one value
thicker for [MEDIAWEIGHT].
For how to change menu settings, see User Menu.
75)
Select [Medium Dark] or [Dark] for print density in the
printer driver. (User's Manual - Advanced)
Set [RECYCLED] for [MEDIATYPE] in [MEDIA MENU].
For how to change menu settings, see User Menu.
75)

Print Quality Problems

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