Kyocera TASKalfa 4500i Service Manual page 377

Problem
(5)
Middle motor does
not operate
(45 ppm/55 ppm
model only).
(6)
Inner motor does
not operate.
(7)
Eject motor does
not operate.
(8)
Duplex motor 1
does not operate
(45 ppm/55 ppm
model only).
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 drive trans-
mission system.
3. Defective motor.
4. Defective PWB.
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 drive trans-
mission system.
3. Defective motor.
4. Defective PWB.
Check procedures/corrective measures
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Middle motor and feed PWB 2 (YC7)
Feed PWB 2 (YC1) and engine PWB (YC4)
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 middle motor.
Replace the feed PWB 2 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.
Inner motor and front PWB (YC13)
Front PWB (YC3) and engine PWB (YC7)
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 inner 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 motor and front PWB (YC5)
Front PWB (YC3) and engine PWB (YC7)
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 eject 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.
Duplex motor 1 and relay PWB (YC16)
Relay PWB (YC13) and feed PWB 1 (YC23)
Feed PWB 1 (YC2) and engine PWB (YC5)
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 1.
Replace the relay PWB, feed PWB 1 or engine PWB and
check for correct operation (see page 1-5-47).
1-4-73
2LL/2LJ/2LH-1