Kyocera Mita KM-4530 Service Manual page 192

Problem
(24) Broken feed low clutch 1
Feed low clutch 1 coil.
does not operate.
Poor contact in feed low
clutch 1 connector termi-
nals.
Defective engine PCB.
(25) Broken feed high clutch 1
Feed high clutch 1 coil.
does not operate.
Poor contact in feed high
clutch 1 connector termi-
nals.
Defective engine PCB.
(26) Broken feed low clutch 2
Feed low clutch 2 coil.
does not operate.
Poor contact in feed low
clutch 2 connector termi-
nals.
Defective engine PCB.
(27) Broken feed high clutch 2
Feed high clutch 2 coil.
does not operate.
Poor contact in feed high
clutch 2 connector termi-
nals.
Defective engine PCB.
(28) Broken feed clutch 3 coil.
Feed clutch 3 does
not operate.
Poor contact in feed clutch
3 connector terminals.
Defective engine PCB.
(29) Broken feed clutch 4 coil.
Feed clutch 4 does
not operate.
Poor contact in feed clutch
4 connector terminals.
Defective engine PCB.
(30) Broken feed clutch 5 coil.
Feed clutch 5 does
not operate.
Poor contact in feed clutch
5 connector terminals.
Defective engine PCB.
Causes
Check for continuity across the coil. If none, replace feed low
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 CN18-A4 on the en-
gine PCB goes low. If not, replace the engine PCB.
Check for continuity across the coil. If none, replace feed high
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 CN18-A1 on the en-
gine PCB goes low. If not, replace the engine PCB.
Check for continuity across the coil. If none, replace feed low
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 CN18-B1 on the en-
gine PCB goes low. If not, replace the engine PCB.
Check for continuity across the coil. If none, replace feed high
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 CN18-A8 on the en-
gine PCB goes low. If not, replace the engine 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 CN18-B3 on the en-
gine PCB goes low. If not, replace the engine PCB.
Check for continuity across the coil. If none, replace feed clutch
4.
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 CN18-B5 on the en-
gine PCB goes low. If not, replace the engine PCB.
Check for continuity across the coil. If none, replace feed clutch
5.
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 CN18-B7 on the en-
gine PCB goes low. If not, replace the engine PCB.
Check procedures/corrective measures
2BC/D
1-5-45