Ricoh Aficio MP C3001 Service Manual page 1491

Item No.
Punch HP
50 Detects when the hole-punch firing mechanism is at home position
Sensor
Paper
Position Detects when the mechanism that measures the paper position in the
53
Slide HP punch unit is at home position
Sensor
Paper
Detects the side edge of the paper, to tell the machine where to put
Position 54
the punch holes.
Sensor
Punch
Detects when the side-to-side motion of the punch unit is at home
Movement 55
position.
HP Sensor
Punch
Detects when the punch hopper is full. Also checks if the hopper is
Hopper Full 56
installed correctly.
Sensor
SM
Purpose
39
Component Layout
B793