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Troubleshooting
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White streaks appear in the vertical direction
Cause
Solution
Reference
The LED head is dirty.
Wipe the LED head with soft tissue paper.
(P.348)
The toner is low.
When "Toner Low." or "Install Toner" is displayed, replace
the toner cartridge.
(P.312)
The window film of the image drum
is dirty.
Wipe the window film with soft tissue paper.
Cleaning the
light-shielding
film
(P.356)
The image drum has not been
installed correctly.
Please install the image drum correctly.
Replacing the
image drum and
the toner
cartridge
(P.320)
A foreign object is stuck in the
image drum.
Please replace the image drum.
Replacing the
image drum and
the toner
cartridge
(P.320)
Printing is faint in the vertical direction
Cause
Solution
Reference
The LED head is dirty.
Wipe the LED head with soft tissue paper.
Cleaning the
main unit and the
parts
(P.348)
The toner is low.
When "Toner Low." or " Install Toner" is displayed, replace
the toner cartridge.
(P.312)
The paper is not supported.
Use recommended paper.
(P.82)