Kyocera TASKalfa 2551ci Service Manual page 390

Problem
(4)
ID Shutter motor
does not operate.
(5)
Fuser pressure
release motor does
not operate.
(6)
Controller fan
motor does not
operate.
(7)
Power source fan
motor does not
operate.
(8)
Developer fan
motor 1 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 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.
Check procedures/corrective measures
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
ID Shutter motor and engine connect PWB (YC3)
engine connect PWB 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 ID Shuttermotor.
Replace the engine PWB or engin connect PWB and check
for correct operation (see page 1-5-39).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Fuser pressure release motor and engine PWB (YC30)
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 Fuser pressure release motor.
Replace the engine PWB and check for correct operation
(see page 1-5-39).
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 1-5-37).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Power source fan motor and engine connect PWB (YC9)
engine connect PWB and engine PWB (YC4)
Replace the power source fan motor.
Replace the engine PWB or engine connect PWB and
check for correct operation (see page 1-5-39).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Developer fan motor 1 and engine PWB (YC19)
Replace the developer fan motor 1.
Replace the engine PWB and check for correct operation
(see page 1-5-39).
1-4-83
2NP