Ricoh D009 Service Manual page 843

Punch Unit B702 (For B804/B805)
[A]: Finisher Entrance Motor (M1)
[B]: Punch Waste Belt
[C]: Punch Waste Hopper
[D]: Punch Hopper Full Sensor (S4)
The finisher entrance motor (M1) [A] drives the timing belt and gears that rotate the punch
waste belt [B].
The punchouts fall from the punch unit onto the belt. The belt moves the punchouts to the
front and dumps them in the punch waste hopper [C].
The punch hopper full sensor [D]:
Signals that the hopper is full when it detects the top of the stack of punchouts that have
collected in the hopper.
It also detects when the punch hopper is set properly.
SM 71 B804/B805