Component Layout
B793 38 SM
Item No. Purpose
Stopper S
HP Sensor
28 Detects when the ‘stopper S’ mechanism is at home position.
Stack Feed
Out HP
Sensor
29 Detects when the stack feed-out belt is at home position
Staple Unit
HP Sensor
30
Detects when the side-to-side motion of the stapler unit is at home
position
Jogger HP
Sensor
34 Detects when the jogger unit is at home position
Staple Tray
Paper
Sensor
35 Detects when paper is fed into the stapler tray
Stapler
Safety
Sensor
37
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.
Fold Unit
Exit Sensor
38
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
correctly.
Lower
Clamp
Roller HP
Sensor
39 Detects when the lower clamp roller is at home position
Fold Unit
Entrance
Sensor
41
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.
Bottom
Fence HP
Sensor
42
Detects when the bottom fence of the booklet folding mechanism is at
home position
Fold Cam
HP Sensor
43
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.
Fold Plate
HP Sensor
45
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.
Punch
Encoder
Sensor
49
Controls the timing for activating the punches, to punch holes in the
paper at the correct position.
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