2LK/2LN/2LM/2LC
1-4-102
(5)
Middle motor does
not operate
(45 ppm/55 ppm
model only).
1. Defective connector
cable or poor con-
tact in the connector.
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)
2. Defective drive trans-
mission system.
Check if the rollers and gears rotate smoothly. If not,
grease the bushes and gears. Check for broken gears and
replace if any.
3. Defective motor. Replace the middle motor.
4. Defective PWB. Replace the engine PWB and check for correct operation
(see page 1-5-54).
(6)
Eject motor does
not operate.
1. Defective connector
cable or poor con-
tact in the connector.
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)
2. Defective drive trans-
mission system.
Check if the rollers and gears rotate smoothly. If not,
grease the bushes and gears. Check for broken gears and
replace if any.
3. Defective motor. Replace the eject motor.
4. Defective PWB. Replace the engine PWB and check for correct operation
(see page 1-5-54).
(7)
Duplex motor 1
does not operate
(45 ppm/55 ppm
model only).
1. Defective connector
cable or poor con-
tact in the connector.
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)
2. Defective drive trans-
mission system.
Check if the rollers and gears rotate smoothly. If not,
grease the bushes and gears. Check for broken gears and
replace if any.
3. Defective motor. Replace the duplex motor 1.
4. Defective PWB. Replace the engine PWB and check for correct operation
(see page 1-5-54).
(8)
Duplex motor 2
does not operate
(45 ppm/55 ppm
model only).
1. Defective connector
cable or poor con-
tact in the connector.
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)
2. Defective drive trans-
mission system.
Check if the rollers and gears rotate smoothly. If not,
grease the bushes and gears. Check for broken gears and
replace if any.
3. Defective motor. Replace the duplex motor 2.
4. Defective PWB. Replace the engine PWB and check for correct operation
(see page 1-5-54).
Problem Causes Check procedures/corrective measures
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