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Problem
(9)
Paper feed motor 4
does not operate.
(10)
The feed motor does
not operate.
(11)
The MP feed motor
does not operate.
(12)
The vertical feed
motor does not oper-
ate.
Y104350-7
Causes
Poor contact in paper feed
motor 4 connector termi-
nals.
Broken paper feed motor 4
gear.
Defective paper feed motor
4.
Defective cassette PWB.
Poor contact in the feed
motor connector terminals.
Broken feed motor gear.
Defective feed motor.
Defective duplex PWB.
Defective engine PWB.
Poor contact in the MP feed
motor connector terminals.
Broken MP feed motor
gear.
Defective MP feed motor.
Defective deck PWB.
Defective engine PWB.
Poor contact in the vertical
feed motor connector termi-
nals.
Broken vertical feed motor
gear.
Defective vertical feed
motor.
Defective cassette 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 visually and replace paper feed motor 4 if necessary.
Run maintenance item U030 and check if paper feed motor 4
operates when YC6-7, YC6-8, YC6-9 and YC6-10 on the cassette
PWB go low. If not, replace paper feed motor 4.
Run maintenance item U030 and check if YC6-7, YC6-8, YC6-9
and YC6-10 on the cassette PWB go low. If not, replace the cas-
sette PWB.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Check visually and replace the feed motor C if necessary.
Run maintenance item U030 and check if the feed motor operates
when YC2-B5 on the duplex PWB goes low. If not, replace the
feed motor.
Run maintenance item U030 and check if YC2-B5 on the duplex
PWB goes low. If not, replace the duplex PWB.
Run maintenance item U030 and check if YC2-B7 on the engine
PWB goes low. If not, replace the engine PWB.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Check visually and replace the MP feed motor if necessary.
Run maintenance item U030 and check if the MP feed motor
operates when YC2-B6 on the deck PWB goes low. If not, replace
the MP feed motor.
Run maintenance item U030 and check if YC2-B6 on the deck
PWB goes low. If not, replace the deck PWB.
Run maintenance item U030 and check if YC3-B8 on the engine
PWB goes low. If not, replace the engine PWB.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Check visually and replace the vertical feed motor if necessary.
Run maintenance item U030 and check if the vertical feed motor
operates when YC6-1, YC6-3, YC6-4 and YC6-6 on the cassette
PWB go low. If not, replace the vertical feed motor.
Run maintenance item U030 and check if YC6-1, YC6-3, YC6-4
and YC6-6 on the cassette PWB go low. If not, replace the cas-
sette PWB.
Sevice Manual
1-5-59
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