Ricoh D131 Service Manual page 1535

Details
Sensors
S Stopper 2 HP Sensor
S Bypass Exit Paper Sensor
S Bypass Entrance Paper Sensor
S Stopper 3 Paper Sensor
S Stopper 3 HP Sensor
Switches
SW Breaker Switch
Front Door
SW
Switch (SW1)
D454/D615
Detects when Stopper 2 is in and out of its
home position.
Checks for the presence of paper at power
on.
Checks for the presence of paper at power
on.
Checks for the presence of paper at power
on. Also checks for jams during paper
feed. Used to create the timing that
operates the 2nd fold motor during FM6
folding..
Detects when Stopper 3 is in and out of its
home position.
-
Detects when the front door is opened or closed. When
the front door is opened the interlock switch cuts off the
24V power supply.
142 SM