Service Call Tables
SM 4-63 D014/D015/D078/D079
Trouble-
shooting
Shift Motor Error: 3K Finisher (B830)
SC755 D
The shift tray half-turn sensors:
Failed twice to detect the shift tray at the home position at the specified
time.
-or-
Failed twice to detect that the shift tray had left the home position.
If the motor is operating
1. Half-turn sensor 1, 2 harnesses loose, broken, defective
2. One of the half-turn sensors 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
Finisher punch motor error (B830)
SC760 D
The punch HP sensor is not
activated within the specified
time after the punch motor
turned on. The 1st detection
failure causes a jam error, and
the 2nd failure causes this SC
code.
Punch HP sensor disconnected,
defective
Punch motor disconnected,
defective
Punch motor overload due to
obstruction
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