Table of Contents
Advertisement
1-4-3
Electrical problem
Problem
(1)
The side feeder
paper feed clutch
does not operate.
(2)
The side feeder
paper conveying
clutch does not oper-
ate.
(3)
The separation fan
motor does not oper-
ate.
(4)
The suction fan
motor does not oper-
ate.
Y110900-9
Causes
Poor contact of the side
feeder paper feed clutch
connector terminals.
Broken side feeder paper
feed clutch coil.
Defective side feeder paper
feed clutch.
Defective side feeder main
PWB.
Poor contact of the side
feeder paper conveying
clutch connector terminals.
Broken side feeder paper
conveying clutch coil.
Defective side feeder paper
conveying clutch.
Defective side feeder main
PWB.
Poor contact of the separa-
tion fan motor connector
terminals.
Defective separation fan
motor.
Defective side feeder main
PWB.
Poor contact of the suction
fan motor connector termi-
nals.
Defective suction fan motor. Run maintenance item U247 and check if the suction fan motor
Defective side feeder main
PWB.
Check procedures/corrective measures
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Check for continuity across the coil. If none, replace the side
feeder paper feed clutch.
Run maintenance item U247 and check if the side feeder paper
feed clutch does not operate when YC5-A10 on the side feeder
main PWB goes low. If so, replace the side feeder paper feed
clutch.
Run maintenance item U247 and check if YC5-A10 on the side
feeder main PWB goes low. If not, replace the side feeder main
PWB.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Check for continuity across the coil. If none, replace the side
feeder paper conveying clutch.
Run maintenance item U247 and check if the side feeder paper
conveying clutch does not operate when YC6-B7 on the side
feeder main PWB goes low. If so, replace the side feeder paper
conveying clutch.
Run maintenance item U247 and check if YC6-B7 on the side
feeder main PWB goes low. If not, replace the side feeder main
PWB.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Run maintenance item U247 and check if the separation fan
motor does not operate when YC6-A1 on the side feeder main
PWB goes low. If so, replace the separation fan motor.
Run maintenance item U247 and check if YC6-A1 on the side
feeder main PWB goes low. If not, replace the side feeder main
PWB.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
does not operate when YC6-A2 on the side feeder main PWB
goes low. If so, replace the side feeder main PWB.)
Run maintenance item U247 and check if YC6-A2 on the side
feeder main PWB goes low. If not, replace the side feeder main
PWB.
Service Manual
3MV
1-4-5
Advertisement
Table of Contents
