Kyocera TASKalfa 3050ci Service Manual page 337

Problem
(5)
Middle motor does
not operate
(45 ppm/55 ppm
model only).
(6)
Eject motor does
not operate.
(7)
Duplex motor 1
does not operate
(45 ppm/55 ppm
model only).
(8)
Duplex motor 2
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 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 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 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.
Duplex motor 1 and relay PWB (YC16)
Relay PWB (YC13) and engine PWB (YC23)
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 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.
Duplex motor 2 and relay PWB (YC7)
Relay PWB (YC1) and engine PWB (YC14)
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 engine PWB and check for correct operation
(see page 1-5-54).
1-4-97
2LK/2LN/2LM/2LC