Ricoh B230 Service Manual page 1215

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Detects when the 'stopper S' mechanism is at home position.

Detects when the stack feed-out belt is at home position

Detects when the side-to-side motion of the stapler unit is at home

Detects when the jogger unit is at home position

Detects when paper is fed into the stapler tray

Stops side-to-side movement of the stapler until stopper S and the

stack feed-out pawl mechanisms are at home position, to prevent

damage to the machine.

1) Detects the folded edge of the stack as it feeds out from the nip of

the fold rollers so the fold feeds back into the nip, 2) when the folded

booklet finally emerges from the nip of the fold rollers, detects the

leading and trailing edge of the booklet to make sure that it feeds out

Detects when the lower clamp roller is at home position

Detects 1) the leading edge of the stack during booklet stapling, and

2) also used to signal an alarm if a paper is detected at the entrance

of the fold unit when the copier is turned on.

Detects when the bottom fence of the booklet folding mechanism is at

home position

Along with the fold plate HP sensor, this sensor controls the

movement of the fold plate. The actuator mounted on the end of the

roller that drives the folder plate forward and back makes three full

rotations, i.e. the actuator passes the sensor gap twice and stops on

the 3rd rotation and reverses. This accounts for the left and right

movement of the fold plate.

Along with the fold plate HP sensor this sensor controls the

movement of the fold plate. The fold plate has arrived at the home

position when the edge of the plate enters the gap of this sensor.

Controls the timing for activating the punches, to punch holes in the

paper at the correct position.

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