Kyocera TASKalfa 7002i Service Manual page 918

(4-15) Uneven transfer
Step Check description
1 Checking the conveying
section
2 Checking the transfer belt
unit
3 Checking the transfer belt
unit
4 Checking the transfer bias
contact
5 Checking the fuser unit
(4-16) Blurred image
Step Check description
1 Checking the paper
2 Checking the paper stor-
age place
Assumed cause
The conveying section is
not closed completely.
The transfer belt is dirty.
The transfer belt surface is
scratched.
The transfer bias contact is
faulty.
The roller, or the parts in
the drive section or the
fuser press-release section
are deformed or worn
down.
Assumed cause
The paper is damp.
Paper is stored in the high
humidity environment.
7-58
Measures
Open the right cover (convey-
ing unit) once, and close it
firmly.
When the image failure
appears in the transfer belt
circumference interval, clean
the transfer belt.
Replace the transfer belt unit. Detaching
Correct the bias contact or
replace the high-voltage
PWB.
Replace the fuser unit.
Measures
Replace with the new dry
paper.
[Cassette heater standard
model]
2WA/2NJ/2RK
Reference
and Reat-
taching the
transfer
belt unit
Detaching
and Reat-
taching the
high-volt-
age PWB
Detaching
and Reat-
taching the
fuser unit
Reference
Installing
the cas-
sette
heater