Kyocera FS-C8520MFP Service Manual page 234

Problem
(9)
LSU fan motor
does not operate.
(10)
IH fan motor does
not operate.
(11)
Fuser fan motor
does not operate.
(12)
Container fan
motor does not
operate.
(13)
IH coil fan motor
does not operate.
(14)
Imaging fan motor
does not operate.
(15)
Paper feed clutch
does not operate.
Causes
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective motor.
3. Defective PWB.
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective motor.
3. Defective PWB.
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective motor.
3. Defective PWB.
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective motor.
3. Defective PWB.
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective motor.
3. Defective PWB.
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective motor.
3. Defective PWB.
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective clutch.
3. Defective PWB.
Check procedures/corrective measures
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
LSU fan motor and engine connect PWB (YC6)
Engine connect PWB and engine PWB (YC9)
Replace the LSU fan motor.
Replace the engine PWB engine connect PWB and check
for correct operation (see page 1-5-32).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
IH fan motor and main PWB (YC4)
Replace the IH fan motor.
Replace the engine PWB and check for correct operation
(see page 1-5-32).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Fuser fan motor and engine PWB (YC28)
Replace the Fuser fan motor.
Replace the engine PWB and check for correct operation
(see page 1-5-32).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Container fan motor and engine PWB (YC21)
Replace the container fan motor.
Replace the engine PWB and check for correct operation
(see page 1-5-32).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
IH coil fan motor and engine PWB (YC21)
Replace the IH coil fan motor.
Replace the engine PWB and check for correct operation
(see page 1-5-32).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Imaging fan motor and engine connect PWB (YC11)
Engine connect PWB and engine PWB
Replace the Imaging fan motor.
Replace the engine PWB or engine connect PWB and
check for correct operation (see page 1-5-32).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Paper feed clutch and engine PWB (YC2)
Replace the paper feed clutch.
Replace the engine PWB and check for correct operation
(see page 1-5-32).
1-4-46
2MY/2MZ