Kyocera KM-2530 Service Manual page 207

2DF
Problem
(20)
Feed clutch 2 does
not operate.
(21)
Feed clutch 3 does
not operate.
(22)
The bypass paper
feed clutch does not
operate.
(23)
The bypass feed
clutch does not op-
erate.
(24)
The registration
clutch does not op-
erate.
(25)
The feedshift sole-
noid does not oper-
ate.
(26)
The toner feed sole-
noid does not oper-
ate.
1-5-54
Causes
Broken feed clutch 2 coil.
Poor contact in feed clutch
2 connector terminals.
Defective main PCB.
Broken feed clutch 3 coil.
Poor contact in feed clutch
3 connector terminals.
Defective main PCB.
Broken bypass paper feed
clutch coil.
Poor contact in the bypass
paper feed clutch connec-
tor terminals.
Defective main PCB.
Broken bypass feed clutch
coil.
Poor contact in the bypass
feed clutch connector ter-
minals.
Defective main PCB.
Broken registration clutch
coil.
Poor contact in the regis-
tration clutch connector
terminals.
Defective main PCB.
Broken feedshift solenoid
coil.
Poor contact in the
feedshift solenoid connec-
tor terminals.
Defective main PCB.
Broken toner feed solenoid
coil.
Poor contact in the toner
feed solenoid connector
terminals.
Defective main PCB.
Check procedures/corrective measures
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 CN13-A12 on the
main PCB goes low. If not, replace the main PCB.
Check for continuity across the coil. If none, replace feed clutch
3.
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 CN13-A5 on the main
PCB goes low. If not, replace the main PCB.
Check for continuity across the coil. If none, replace the bypass
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 CN6-A9 on the main
PCB goes low. If not, replace the main PCB.
Check for continuity across the coil. If none, replace the bypass
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 CN6-A11 on the main
PCB goes low. If not, replace the main PCB.
Check for continuity across the coil. If none, replace the registra-
tion 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 CN10-A2 on the main
PCB goes low. If not, replace the main PCB.
Check for continuity across the coil. If none, replace the feedshift
solenoid.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Run maintenance item U033 and check if CN16-A1 and CN16-
A2 on the main PCB go low. If not, replace the main PCB.
Check for continuity across the coil. If none, replace the toner
feed solenoid.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Run maintenance item U033 and check if CN9-B2 on the main
PCB goes low. If not, replace the main PCB.