Kyocera TASKalfa 3050ci Service Manual page 339

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)
Paper feed clutch
1, 2 does not oper-
ate.
(20)
Assist clutch 1, 2
does not operate
(45 ppm/55 ppm
model only).
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 clutch.
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 (YC4)
Front PWB (YC3) and engine PWB (YC7)
Replace the eject front fan motor.
Replace the engine PWB and check for correct operation
(see page 1-5-54).
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 engine PWB and check for correct operation
(see page 1-5-54).
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 1-5-54).
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 1-5-49).
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 engine PWB and check for correct operation
(see page 1-5-54).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Assist clutch 1 and feed PWB 2 (YC10)
Assist clutch 2 and feed PWB 2 (YC12)
Feed PWB 2 (YC1) and engine PWB (YC4)
Replace the assist clutch 1 or 2.
Replace the engine PWB and check for correct operation
(see page 1-5-54).
1-4-99
2LK/2LN/2LM/2LC