Ricoh B234 - Page 43

SERVICE CALL CONDITIONS
SM 4-41 B234/B235/B236/D101/D102/D103
Trouble-
shooting
Stack Plate Motor Error 3: Rear Motor (3K Finisher B830)
SC748 D
The stack plate HP sensor (rear)
does not activate within 500 ms
after the motor turns on. The 1st
detection failure issues a jam
error, and the 2nd failure issues
this SC code.
• If the motor is operating
1 Rear stack plate HP sensor harness
loose, broken, defective
2 Rear stack plate HP sensor defective
• If the motor is not operating:
1 Motor blocked by an obstruction
2 Motor harness loose, broken,
defective
3 Motor defective
4 Booklet finisher main board defective
Tray 1 (Upper Tray Lift) Motor Error: 3K Finisher B830
SC750 D
The upper tray paper height
sensor does not change its
status within 20 sec. after the
tray raises or lowers. The 1st
detection failure issues a jam
error, and the 2nd failure issues
this SC code.
• Tray lift motor disconnected, defective
• Upper tray paper height sensor
disconnected, defective
• Finisher main board connection to motor
loose
• Finisher main board defective
Stacking Roller Motor Error: 3K Finisher B830
SC753 D
The return drive HP sensor did
not detect the stacking roller at
the HP sensor within 1 sec.
-or-
The stacking roller did not leave
the home position at the
specified time.
• If the motor is operating
1 Return drive HP sensor harness
loose, broken, defective
2 Return drive HP sensor defective
• If the motor is not operating:
1 Motor blocked by an obstruction
2 Motor harness loose, broken,
defective
3 Motor defective
4 Finisher main board defective
Stacking Roller Drag Motor Error: 3K Finisher B830
SC754 D
The stacking roller drag motor
did not turn on.
• Motor harness loose, broken, defective
• Motor defective
• Finisher control board defective