Kyocera TASKalfa 8002i

2WA/2NJ/2RK
7-50
Content of Engine Factors (Paper conveying cause: Transfer, Fuser and Separation)
(4-1) Colored background
(4-2) Black spots appear on the image
Step Check description Assumed cause Measures Reference
1 Checking the transfer bias
contact
The transfer bias contact is
deformed.
Correct the transfer bias con-
tact so that it securely
grounds to the terminal of the
conveying unit.
2 Checking the transfer belt
unit
The transfer belt is dirty. 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
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 fuser unit The fuser belt surface is
dirty or has some
scratches.
When the image failure
appears in the fuser belt cir-
cumference interval, clean
the fuser belt. If not repaired,
replace the fuser unit.
Detaching
and Reat-
taching the
fuser unit