SERVICE CALL CONDITIONS
SM 4-45 B234/B235/B236/D101/D102/D103
Trouble-
shooting
Jogger Bottom Fence Motor: 3K Finisher B830
SC776 D
The bottom fence HP sensor
detected that:
The bottom fence did not arrive
at the home position at the
specified time.
-or-
The bottom fence failed to leave
the home position at the
specified time.
• If the jogger bottom fence motor is
operating:
1 Bottom fence HP sensor harness
loose, broken, defective
2 Bottom fence HP sensor defective
• If the jogger bottom fence motor is not
operating:
1 Motor blocked by an obstruction
2 Motor harness loose, broken,
defective
3 Motor defective
4 Finisher main board defective
Z-Fold Feed Motor Error
SC780 D
The feed motor that drives the feed
rollers and exit rollers in the Z-fold
unit is not operating. The 1st alert
signals a jam, the 2nd alert triggers
this SC.
• Motor harness loose, broken,
defective
• Motor blocked by an obstruction
• Motor defective
Z-Fold Lower Stopper Motor Error
SC781 D
The lower stopper failed to leave
the home position with the
specified number of motor
pulses.
Note: The 1st detection failure
issues a jam error, and the 2nd
failure issues this SC code.
• Lower stopper motor disconnected,
defective
• Lower stopper motor overloaded due to
obstruction
• Lower stopper HP sensor disconnected,
defective
Z-fold Upper Stopper Motor
SC782 D
The upper stopper failed to
leave the home position with the
specified number of motor
pulses.
Note: The 1st detection failure
issues a jam error, and the 2nd
failure issues this SC code.
• Upper stopper motor disconnected,
defective
• Upper stopper motor overloaded due to
obstruction
• Upper stopper HP sensor disconnected,
defective
Z-Fold Timing Sensor Adjustment Error 1
SC784 D
The output voltage light emitted
from the sensor changed, but
the return input was not
sufficient to attain V0.
• Sensor, mirror dirty from paper dust,
other particles
• Harness loose, broken, defective
• Mirror out of position