2A3/4
3-6-78
Broken lower pa-
per feed clutch
coil.
Poor contact in the
lower paper feed
clutch connector
terminals.
Defective engine
PCB.
Broken feed clutch
1 coil.
Poor contact in
feed clutch 1 con-
nector terminals.
Defective engine
PCB.
Broken feed clutch
2 coil.
Poor contact in
feed clutch 2 con-
nector terminals.
Defective engine
PCB.
Broken feed clutch
3 coil.
Poor contact in
feed clutch 3 con-
nector terminals.
Defective engine
PCB.
(16)
The lower
paper feed
clutch does
not operate.
(17)
Feed clutch 1
does not op-
erate.
(18)
Feed clutch 2
does not
operate.
(19)
Feed clutch 3
does not op-
erate.
Check for continuity across the coil. If none,
replace the lower paper feed clutch.
Reinsert the connector. Also check for
continuity within the connector cable. If
none, remedy or replace the cable.
Run maintenance item U032 and check if
CN15-14 on the engine PCB goes low. If
not, replace the engine PCB.
Check for continuity across the coil. If none,
replace feed clutch 1.
Reinsert the connector. Also check for
continuity within the connector cable. If
none, remedy or replace the cable.
Run maintenance item U032 and check if
CN12-A4 on the engine PCB goes low. If
not, replace the engine PCB.
Check for continuity across the coil. If none,
replace feed clutch 2.
Reinsert the connector. Also check for
continuity within the connector cable. If
none, remedy or replace the cable.
Run maintenance item U032 and check if
CN12-A8 on the engine 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 connector cable. If
none, remedy or replace the cable.
Run maintenance item U032 and check if
CN12-A10 on the engine PCB goes low. If
not, replace the engine PCB.
Problem
Causes
Check procedures/corrective measures
Summary of Contents for Ri 4230
Page 3: ...SERVICE MANUAL Ri 4230 5230 ...
Page 13: ...4230 5230 S M MCA THEORY AND CONSTRUCTION SECTION I I Theory and Construction Section ...
Page 14: ...1 1 5 2A3 4 CONTENTS 1 1 Specifications 1 1 1 Specifications 1 1 1 ...
Page 100: ...4230 5230 S M MCA ELECTRICAL SECTION II II Electrical Section ...
Page 119: ......
Page 138: ......
Page 159: ...4230 5230 S M MCA III Set Up and Adjustment Section III SET UP AND ADJUSTMENT SECTION ...
Page 448: ...2A3 4 3 6 3 25 Toner scatters at the leading edge of the image See page 3 6 17 ...