Kyocera KM-6030, Service Manual

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2FB/2FC-4
1-5-61
(23)
The duplex side reg-
istration motor does
not operate. 1. Poor contact in the
duplex side registration
motor connector termi-
nals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
2. Broken duplex side regis-
tration motor gear.
Check visually and replace the duplex side registration motor if
necessary.
3. Defective duplex side
registration motor.
Run maintenance item U030 and check if the duplex side registra-
tion motor operates. If not, replace the duplex side registration
motor.
4. Defective duplex PWB. Run maintenance item U030 and check if the duplex side registra-
tion motor operates. If not, replace the duplex PWB.
(24)
The duplex feed
motor does not oper-
ate. 1. Poor contact in the
duplex feed motor con-
nector terminals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
2. Broken duplex feed
motor gear.
Check visually and replace the duplex feed motor if necessary.
3. Defective duplex feed
motor.
Run maintenance item U030 and check if the duplex feed motor
operates. If not, replace the duplex feed motor.
4. Defective duplex PWB. Run maintenance item U030 and check if the duplex feed motor
operates. If not, replace the duplex PWB.
(25)
The duplex switch-
back motor does not
operate. 1. Poor contact in the
duplex switchback motor
connector terminals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
2. Broken duplex switch-
back motor gear.
Check visually and replace the duplex switchback motor if neces-
sary.
3. Defective duplex switch-
back motor.
Run maintenance item U030 and check if the duplex switchback
motor operates. If not, replace the duplex switchback motor.
4. Defective duplex PWB. Run maintenance item U030 and check if the duplex switchback
motor operates. If not, replace the duplex PWB.
(26)
Cooling fan motor 1
or 2 does not oper-
ate. 1. Broken cooling fan motor
1 or 2 coil.
Check for continuity across the coil. If none, replace cooling fan
motor 1 or 2.
2. Poor contact in cooling
fan motor 1 or 2 connec-
tor terminals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
3. Defective cooling fan
motor 1.
Run maintenance item U037 amd check if cooline fan motor 1
operates when YC2-1 on the fan motors drive PWB outputs 24 V.
If not, replace cooling fan motor 1.
4. Defective cooling fan
motor 2.
Run maintenance item U037 and check if cooling fan motor 2
operates when YC2-3 on the fan motors drive PWB outputs 24 V.
If not, replace cooling fan motor 2.
5. Defective fan motors
drive PWB.
Run maintenance item U037 and check if YC2-1 or YC2-3 on the
fan motors drive PWB outputs 24 V. If not, replace the fan motors
drive PWB.
6. Defective engine PWB. Run maintenance item U037 and check if YC13-3 on the engine
PWB outputs 24 V. If not, replace the engine PWB.
Problem Causes Check procedures/corrective measures