Kyocera TASKalfa 7002i Service Manual page 919

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