2A3/4
3-6-76
(10)
Paper feed
motor does
not operate
(C230).
(11)
The paper
conveying
motor does
not operate
(C210).
(12)
The toner
recycle motor
does not
operate.
Broken paper feed
motor coil.
Poor contact in the
paper feed motor
connector
terminals.
Defective paper
feed motor.
Defective main
PCB.
Broken paper
conveying motor
coil.
Poor contact in the
paper conveying
motor connector
terminals.
Defective paper
feed motor.
Defective main
PCB.
Broken toner
recycle motor coil.
Poor contact in the
toner recycle
motor connector
terminals.
Defective engine
PCB.
Check for continuity across the coil. If none,
replace the paper feed motor.
Reinsert the connector. Also check for
continuity within the connector cable. If
none, remedy or replace the cable.
Check if the paper feed motor rotates when
CN11-3 on the engine PCB goes low while
maintenance item U030 is run. If not replace
the paper feed motor.
Run maintenance item U030 and check if
CN1-87 on the main PCB goes low. If not,
replace the main PCB.
Check for continuity across the coil. If none,
replace the paper conveying motor.
Reinsert the connector. Also check for
continuity within the connector cable. If
none, remedy or replace the cable.
Check if the paper feed motor rotates when
CN5-A8 on the engine PCB goes low while
maintenance item U030 is run. If not,
replace the paper conveying motor.
Run maintenance item U030 and check if
CN1-111 on the main PCB goes low. If not,
replace the main PCB.
Check for continuity across the coil. If none,
replace the toner recycle motor.
Reinsert the connector. Also check for
continuity within the connector cable. If
none, remedy or replace the cable.
Run maintenance item U135 and check if
drive pulse signal is output across CN2-A7
and CN2-A8 on the engine PCB. 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 ...