2WA/2NJ/2RK
7-59
(4-17) Vertical white streaks or band
(4-18) Vertical black streaks or band
Step Check description Assumed cause Measures Reference
1 Checking the transfer belt
unit
The transfer belt is dirty or
scratched.
When the image failure
appears in the transfer belt
circumference interval, clean
the transfer belt. Then,
replace the transfer belt unit if
the image failure is not
cleared.
Detaching
and Reat-
taching the
transfer
belt unit
2 Checking the upper/lower
change guide
Paper strongly bumps to
the upper and lower
change guides.
Check the paper loop amount
when ejecting or shifting
paper, and reattach the upper
and lower change guides.
Step Check description Assumed cause Measures Reference
1 Checking the fuser unit The separation claws are
dirty with toner.
Clean the separation claws.
2 Checking the settings The media type is not
properly set.
Set the proper media type via
the System Menu.
3 Checking the upper/lower
change guide
The upper and lower
change guides are dirty
with toner, or toner is
adhered on the guides.
Clean the upper and lower
change guides.
4 Checking the transfer dis-
charging sheet
The transfer discharging
sheet is dirty with paper
dust or toner.
Clean the transfer discharg-
ing sheet.
5 Checking the transfer belt
unit
The transfer belt is dirty,
scratched or worn down.
When the image failure
appears in the transfer belt
circumference interval, clean
the transfer belt. Then,
replace the transfer belt unit if
the image failure is not
cleared.
Detaching
and Reat-
taching the
transfer
belt unit
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