Kyocera TASKalfa 7002i Service Manual page 911

(4-3) The image is not partly printed (blank or white spots)
Step Check description
1 Checking the paper
2 Checking the paper stor-
age place
3 Checking the transfer belt
unit
4 Setting the media type
5 Checking the settings
(4-4) Blank image
Step Check description
1 Checking the right cover
2 Checking the wire
3 Checking the high-voltage
PWB
Assumed cause
The paper is damp.
Paper is stored in the high
humidity environment.
The transfer belt is dirty or
scratched.
The media type is not
properly set.
The fuser temperature is
shifted largely.
Assumed cause
The right cover is not
closed.
The connectors are not
properly connected or the
wire is faulty.
The transfer bias output
from the high-voltage PWB
is faulty.
7-51
Measures
Replace with the dry paper.
[Cassette heater standard
model]
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.
Set the proper media type via
the System Menu.
Execute U161 [Print] and
reset the fuser temperature to
the default value.
Measures
Check the lock of the right
cover assy, and open and
close the right cover (convey-
ing unit).
Clean the terminal of the fol-
lowing wire connectors and
reinsert the connectors.
Replace the wire when it has
no continuity.
Replace the high-voltage
PWB.
2WA/2NJ/2RK
Reference
Installing
the cas-
sette
heater
Detaching
and Reat-
taching the
transfer
belt unit
Executing
U061
Reference
Wiring dia-
gram
Detaching
and Reat-
taching the
high-volt-
age PWB