Ricoh D131 Service Manual page 529

SC700: Peripherals
SC722-83 D
SC724-71 D
SC725-01 D
D131/D132/D133
Finisher punch motor error (D610)
The punch HP sensor is not activated within the specified time
after the punch motor turned on. The 1st detection failure issues a
jam error, and the 2nd failure issues this SC code.

Punch HP sensor disconnected, defective

Punch motor disconnected, defective

Punch motor overload due to obstruction
Shift Motor Error
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

Half-turn sensor 1, 2 harnesses loose, broken, defective

One of the half-turn sensors is defective
If the motor is not operating:

Motor blocked by an obstruction

Motor harness loose, broken, defective

Motor defective

Finisher main board defective
Downstream finisher communication error (D615)
No response signal was received from the downstream finisher
(D615) after 3 attempts

Finisher I/F cable loose, broken defective

Finisher control board defective
2-62 SM Appendix