Ricoh D131 Service Manual page 112

Punch Units (B702)
12. At the front, use a pair of nippers to remove the knockout [A]
13. Insert the punch waste transport unit [B] into the finisher.

Make sure that the punch waste transport unit slides smoothly on its rails. If it does
not, make sure that the rails are aligned with the grooves.
14. Remove the short connector from the connector [C].

This is the 4-pin connector.
15. Connect connector and fasten the punch waste transport unit (
16. Set the hopper [A] in its holder.
D131/D132/D133 2-68
x 1, x 1, x 1).
SM