Component Layout
SM 31 D373/D374
Finisher
D373/D374
No. Component Function
lowers the stack 10 mm below the fold position, and
then raises it to the fold position.
M17
Stack Junction Gate
Motor
Drives the large cam that operates the stack junction
gate at the top of the stapling tray. When this gate is
open, it directs the ascending stack to the upper tray if it
has been corner stapled, or if it is closed the gate turns
the booklet stapled stack down so it falls onto the
bottom fence of the folding unit.
M18 Shift Roller Motor
Drives the shift roller that operates in shift mode to
stagger document sets as they feed out to the upper
tray (making them easier to separate).
M19 Exit Guide Plate Motor
Drives the mechanism that raises and lowers the exit
guide plate.
M20 Corner Stapler EH530
This is the roving corner stapler, mounted on a steel rail
that staples 1) at the front, 2) at the rear (straight
staple), 3) at the rear (diagonal staple), and 4) font and
rear (two staples).
M21 Upper Tray Lift Motor
Raises and lowers the upper tray during feed out to
keep the tray at the optimum height until it is full.
M22
Booklet Stapler
EH185R: Front
Booklet stapler. Staples paper stacks in the center
before they are folded.
M23
Booklet Stapler
EH185R: Rear
Booklet stapler. Staples paper stacks in the center
before they are folded.
M24 Punch Drive Motor Fires the punches that punch the holes in the paper.
Sensors
S1
Finisher Entrance
Sensor
Provides two functions: (1) Detects paper entering the
finisher from the copier, and (2) Signals a jam if it
detects paper at the entrance when the copier is
switched on.
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