Kyocera TASKalfa 7002i Service Manual page 916

(4-12) Offset
Step Check description
1 Checking the paper
2 Checking the settings
3 Executing U106
4 Checking the transfer belt
unit
5 Executing U161
6 Checking the fuser unit
7 Checking the fuser high-
voltage PWB
8 Detaching and Reattach-
ing the high-voltage PWB
9 Checking the fuser unit
Assumed cause
Unspecified papers are
used.
The media type is not
properly set.
The transfer voltage is not
properly set.
The transfer belt is dirty.
The higher fuser tempera-
ture is set.
The fuser belt is dirty.
The bias from the fuser
high-voltage PWB cannot
be applied to the fuser dis-
charging needles in the
fuser unit.
The high-voltage PWB is
faulty.
The fuser belt surface has
some scratches.
7-56
Measures
Replace with the paper within
the specification, or change
to the media type setting
closest to the specified paper.
Change the settings accord-
ing to the media type (paper
weight).
Reset the transfer bias to the
default value at U106.
When the image failure
appears in the transfer belt
circumference interval, clean
the transfer belt.
Execute U161 [Print] and
reset the fuser temperature to
the default value.
When the image failure
appears in the fuser belt cir-
cumference interval, clean
the fuser belt.
Check if the bias contact con-
tacts the fuser unit or the con-
nectors on the fuser high-
voltage PWB are properly
connected. If the bias is not
output from the fuser high-
voltage PWB, replace the
fuser high-voltage PWB.
Replace the high-voltage
PWB.
Replace the fuser unit.
2WA/2NJ/2RK
Reference
Executing
U106
Executing
U061
Detaching
and Reat-
taching the
fuser unit
Detaching
and Reat-
taching the
high-volt-
age PWB
Detaching
and Reat-
taching the
fuser unit