Kyocera ECOSYS FS-4300DN Service Manual page 92

Problem
(5)
Developer fan
motor does not
operate.
(6)
Paper feed clutch
does not operate.
(7)
Registration clutch
does not operate.
(8)
Duplex clutch does
not operate.
(60/50/45 ppm
model only)
(9)
Developer clutch
does not operate.
(10)
Conveying clutch
does not operate.
(60/50/45 ppm
model only)
(11)
MP solenoid 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 clutch.
3. Defective PWB.
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective clutch.
3. Defective PWB.
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective clutch.
3. Defective PWB.
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective clutch.
3. Defective PWB.
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective clutch.
3. Defective PWB.
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective solenoid.
3. Defective PWB.
Check procedures/corrective measures
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Developer fan motor and fuser thermistor connect PWB
(YC4)
Fuser thermistor connect PWB and engine PWB (YC21)
Replace the developer fan motor.
Replace the engine PWB or fuser thermistor connect PWB
and check for correct operation (see page 1-5-22).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Paper feed clutch and engine PWB (YC5)
Replace the paper feed clutch.
Replace the engine PWB and check for correct operation
(see page 1-5-22).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Registration clutch and engine PWB (YC5)
Replace the registration clutch.
Replace the engine PWB and check for correct operation
(see page 1-5-22).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Duplex clutch and engine PWB (YC5)
Replace the duplex clutch.
Replace the engine PWB and check for correct operation
(see page 1-5-22).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Developer clutch and engine PWB (YC5)
Replace the developer clutch.
Replace the engine PWB and check for correct operation
(see page 1-5-22).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Conveying clutch and engine PWB (YC5)
Replace the Conveying clutch.
Replace the engine PWB and check for correct operation
(see page 1-5-22).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
MP solenoid and engine PWB (YC8)
Replace the MP solenoid.
Replace the engine PWB and check for correct operation
(see page 1-5-22).
1-4-32
2LV/2L1/2L2/2MS/2MT