Ricoh Di-C1 Manual page 330

Punch Slider
Punch Unit - Overview
Unit
Edge and Size
Sensors
Registration
Motor
The punch slider unit moves from side to side, to make
sure that the punch holes are made at the correct location.
The punch slider unit consists of the punch, punch motor
and paper edge and size sensors, and it is driven by the
registration motor.
Slide 330
The punch slider unit is surrounded by the red dotted line in the photo.
Punch
Punch Motor
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