Kyocera TASKalfa 7002i Service Manual page 891

No.
(3-15) Skewed image
(3-16) The entire image is too light
Content of Scanner Factors (when scanning on the contact glass)
(3-1) Abnormal image
Step Check description
1 Checking the FFC
2 Checking the cable
3 Replacing the HDD
4 Replacing the ISU
5 Replacing the engine PWB The engine PWB is faulty.
6 Replacing the main PWB
Contents
Assumed cause
The FFC is not properly
connected, or it is faulty.
The connector is not prop-
erly connected or the cable
is faulty.
The HDD is faulty.
The CCD PWB is faulty.
The main PWB is faulty.
7-31
Image sample
Measures
Reconnect the following FFC.
When the FFC terminals are
peeled off or deformed or the
FFC is broken, replace the
FFC. • CCD PWB - Engine
PWB
Reconnect the HDD cable, or
replace it.
Replace the HDD.
Replace the ISU.
Replace the engine PWB.
Replace the main PWB.
2WA/2NJ/2RK
Reference
Wiring dia-
gram
Detaching
and Reat-
taching the
HDD
Detaching
and Reat-
taching the
ISU
Detaching
and Reat-
taching the
engine
PWB
Detaching
and Reat-
taching the
main PWB