Kyocera TASKalfa 8002i

2WA/2NJ/2RK
7-33
(3-3) Black or color spots appear on the image
14 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching
and Reat-
taching the
engine
PWB
15 Replacing the main PWB The main PWB is faulty. Replace the main PWB. Detaching
and Reat-
taching the
main PWB
Step Check description Assumed cause Measures Reference
1 Checking the original The original is dirty. Replace the original.
2 Checking the contact glass The contact glass is dirty. Clean the contact glass.
3 Checking the FFC The FFC is not properly
connected, or it is faulty.
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
Wiring dia-
gram
4 Checking the ISU The CCD PWB is faulty. Replace the ISU. Detaching
and Reat-
taching the
ISU
5 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching
and Reat-
taching the
engine
PWB
6 Replacing the main PWB The main PWB is faulty. Replace the main PWB. Detaching
and Reat-
taching the
main PWB
Step Check description Assumed cause Measures Reference