Kyocera KM-3035 Service Manual page 222

2FD/2FF/2FG
Problem
(12)
Cooling fan motor 5
does not operate.
(13)
Cooling fan motor 6
does not operate.
(14)
Cooling fan motor 7
does not operate.
(15)
The upper paper
feed clutch does not
operate.
(16)
The lower paper
feed clutch does not
operate.
(17)
Feed clutch 1 does
not operate.
(18)
Feed clutch 2 does
not operate.
1-5-48
Causes
Broken cooling fan motor 5
coil.
Poor contact in the cooling
fan motor 5 connector ter-
minals.
Broken cooling fan motor 6
coil.
Poor contact in the cooling
fan motor 6 connector ter-
minals.
Broken cooling fan motor 7
coil.
Poor contact in the cooling
fan motor 7 connector ter-
minals.
Broken upper paper feed
clutch coil.
Poor contact in the upper
paper feed clutch connec-
tor terminals.
Defective main PCB.
Broken lower paper feed
clutch coil.
Poor contact in the lower
paper feed clutch connec-
tor terminals.
Defective main PCB.
Broken feed clutch 1 coil.
Poor contact in feed clutch
1 connector terminals.
Defective main PCB.
Broken feed clutch 2 coil.
Poor contact in feed clutch
2 connector terminals.
Defective main PCB.
Check procedures/corrective measures
Check for continuity across the coil. If none, replace cooling fan
motor 5.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, repair or replace the cable.
Check for continuity across the coil. If none, replace cooling fan
motor 6.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, repair or replace the cable.
Check for continuity across the coil. If none, replace cooling fan
motor 7.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, repair or replace the cable.
Check for continuity across the coil. If none, replace the upper
paper feed clutch.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Run maintenance item U032 and check if YC16-B1 on the main
PCB goes low. If not, replace the main PCB.
Check for continuity across the coil. If none, replace the lower
paper feed clutch.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Run maintenance item U032 and check if YC16-B4 on the main
PCB goes low. If not, replace the main PCB.
Check for continuity across the coil. If none, replace feed clutch
1.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Run maintenance item U032 and check if YC11-14 on the main
PCB goes low. If not, replace the main PCB.
Check for continuity across the coil. If none, replace feed clutch
2.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Run maintenance item U032 and check if YC13-A12 on the
main PCB goes low. If not, replace the main PCB.