Kyocera TASKalfa 4500i Service Manual page 378

Problem
(9)
Duplex motor 2
does not operate
(45 ppm/55 ppm
model only).
(10)
Toner fan motor
does not operate.
(11)
Developer fan
motor 1, 2 does not
operate.
(12)
Exhaust fan motor
does not operate.
(13)
LSU fan motor
does not operate.
(14)
Eject fan motor 1,
2 does not operate.
Causes
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective drive trans-
mission system.
3. Defective motor.
4. 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.
Check procedures/corrective measures
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Duplex motor 2 and relay PWB (YC7)
Relay PWB (YC1) and feed PWB 1 (YC14)
Feed PWB 1 (YC1) and engine PWB (YC6)
Check if the rollers and gears rotate smoothly. If not,
grease the bushes and gears. Check for broken gears and
replace if any.
Replace the duplex motor 2.
Replace the relay PWB, feed PWB 1 or 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.
Toner fan motor and engine PWB (YC19)
Replace the toner 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.
Developer fan motor 1, 2 and front PWB (YC5)
Front PWB (YC3) and engine PWB (YC7)
Replace the developer fan motor 1 or 2.
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.
Exhaust fan motor and engine PWB (YC19)
Replace the exhaust 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.
LSU fan motor and front PWB (YC8)
Front PWB (YC2) and engine PWB (YC8)
Replace the LSU 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 fan motor 1, 2 and relay PWB (YC11)
Relay PWB (YC13) and engine PWB (YC23)
Replace the eject fan motor 1 or 2.
Replace the relay PWB or engine PWB and check for cor-
rect operation (see page 1-5-47).
1-4-74
2LL/2LJ/2LH-1