White Streaks Appear In The Vertical Direction; Printing Is Faint In The Vertical Direction - Oki ES6450 User Manual

White streaks appear in the vertical direction

Cause
The LED head is dirty.
The toner is low.
The window film of the image drum
is dirty.
The image drum has not been
installed correctly.
A foreign object is stuck in the
image drum.

Printing is faint in the vertical direction

Cause
The LED head is dirty.
The toner is low.
The paper is not supported.
Wipe the LED head with soft tissue paper.
"Toner Low. " or "Toner Empty. Replace with a new toner
cartridge." is displayed, replace the toner cartridge.
Wipe the window film with soft tissue paper.
Please install the image drum correctly.
Please replace the image drum.
Wipe the LED head with soft tissue paper.
"Toner Low." or "Toner Is Empty. Replace With A New
Toner Cartridge." is displayed, replace the toner cartridge.
Use recommended paper.
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Solution
Solution
Troubleshooting
Reference
Cleaning the LED
head(P.312)
Replacing the
black(K) toner
cartridge and the
waste toner
box(P.298)
Replacing the
toner cartridge
(C/M/Y)(P.301)
Cleaning the
light-shielding
film(P.319)
Replacing the
image
drum(P.303)
Replacing the
image
drum(P.303)
Reference
Cleaning the LED
head(P.312)
Replacing the
black(K) toner
cartridge and the
waste toner
box(P.298)
Replacing the
toner cartridge
(C/M/Y)(P.301)
Applicable
paper(P.72)