Kyocera TASKalfa 4500i Service Manual page 379

Problem
(15)
Eject front fan
motor does not
operate.
(16)
Eject rear fan
motor does not
operate.
(17)
Power source fan
motor does not
operate.
(18)
Controller fan
motor does not
operate.
(19)
Heater fan motor
does not operate.
(20)
Paper feed clutch
1, 2 does not oper-
ate.
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 clutch.
3. Defective PWB.
Check procedures/corrective measures
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Eject front fan motor and front PWB (YC11)
Front PWB (YC2) and engine PWB (YC8)
Replace the eject front fan motor.
Replace the front PWB or engine PWB and check for cor-
rect operation (see page 1-5-47).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Eject rear fan motor and feed PWB 1 (YC19)
Feed PWB 1 (YC1) and engine PWB (YC6)
Replace the eject rear fan motor.
Replace the feed PWB 1 or engine PWB and check for cor-
rect operation (see page 1-5-47).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Power source fan motor and engine PWB (YC22)
Replace the power source fan motor.
Replace the engine PWB and check for correct operation
(see page 1-5-47).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Controller fan motor and main PWB (YC23)
Replace the controller fan motor.
Replace the main PWB and check for correct operation
(see page 1-5-41).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Heater fan motor and feed PWB 1 (YC11)
Feed PWB 1 (YC2) and engine PWB (YC5)
Replace the heater fan motor.
Replace the feed PWB 1 or engine PWB and check for cor-
rect operation (see page 1-5-47).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Paper feed clutch 1, 2 and feed PWB 2 (YC4)
Feed PWB 2 (YC1) and engine PWB (YC4)
Replace the paper feed clutch 1 or 2.
Replace the feed PWB 2 or engine PWB and check for cor-
rect operation (see page 1-5-47).
1-4-75
2LL/2LJ/2LH-1