Component Layout
SM 37 B793
Booklet
Finisher
B793
Item No. Purpose
Clamp
Roller Motor
Stapler Unit
Motor
36 Moves the stapler from side to side.
Lower
Retraction
Motor
40
Drives a large cam that alternately clamps and unclamps the lower
clamp roller, which is the idle roller of the clamp roller pair.
When these rollers are clamped, they are part of the paper feed path
and feed the stack toward the bottom fence of the fold unit. When the
idle roller is retracted, the stacks falls a very short distance (3 mm)
onto the fold unit bottom fence below. These rollers remain
unclamped while the bottom fence positions the stack for folding and
while the stack is folded by the fold rollers.
Fold Roller
Motor
44 Controls the rollers that fold the paper.
Fold Plate
Motor
46 Controls the plate that makes the fold in the paper.
Bottom
Fence Lift
Motor
47
Raises the bottom fence and stapled stack to the correct fold position
for the paper size.
Punch
Motor
48 Punches the holes in the paper.
Paper
Position
Sensor
Slide Motor
52
Controls side-to-side movement of the paper position sensor in the
punch unit.
Punch
Movement
Motor
57 Moves the punch from side to side.
Solenoids
Item No. Purpose
Proof Tray Gate Solenoid 13 Controls the proof tray junction gate
Positioning Roller Solenoid 16 Controls the positioning roller.
Staple Tray Gate Solenoid 21 Controls the staple tray junction gate
Switches
Item No. Purpose
Upper Limit
Switch
4
Detects when the shift tray is at the highest possible position,
and cuts power to the shift tray motor.
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