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2.6.3 BOOKLET STAPLING AND FOLDING MECHANISMS
Booklet Finisher & Finishers (B803/B805/ D373/D374/ D636/D637)
Booklet Finisher & Finishers (B803/B805/ D373/D374/ D636/D637)
Booklet Finisher & Finishers (B803/B805/ D373/D374/ D636/D637)
Booklet Stapler
[A]: Feed Out Belt Pawl. Raises the stack to stapling position. [B]: Booklet Stapler EH185R – Rear
[C]: Booklet Stapler EH185R – Front
Stack Junction Gate
[D]: Stack Junction Gate Motor. Drives a timing belt and stack junction gate cam. [E]: Stack Junction Gate Cam. Opens and closes the stack junction gate.
[F]: Stack Junction Gate. The stack junction gate motor and stack junction gate cam close the stack junction gate. The feed out belt pawl raises the stapled stack and sends it over the top and down to the fold unit.
[G]: Leading Edge Pressure Roller. Presses down on the leading edge of the stack after booklet stapling.
Booklet Stapling (B804 Only)
Clamp Roller
[A]: Fold Roller Motor. Drives the stationary clamp drive roller as well as the fold rollers (see next page).
[B]: Clamp Rollers.
Clamp Roller – Drive. Rotated by the fold roller motor, this stationary roller feeds the stack down with the retracting roller closed.
Clamp Roller – Retracting. Opened and closed by the retraction motor [C].
[C]: Clamp Roller Retraction Motor. Operates the clamp roller cam that retracts the retracting clamp roller. The clamp rollers feed the stack to within 3 mm of the bottom fence when closed and then open to drop the stack onto the bottom fence.
[D]: Clamp Roller HP Sensor. Controls the rotation of the clamp roller retraction motor and cam that open and close the retracting clamp roller.
[E]: Clamp Roller Cam. Forces open the spring loaded retracting clamp roller.
Bottom Fence
[F]: Bottom Fence. Raises the booklet stapled stack to the fold position.
[G]: Bottom Fence HP Sensor. Detects the actuator on the bottom fence and stops it at the home position after folding.
[H]: Bottom Fence Lift Motor. Raises the bottom fence and stapled stack to the fold position prescribed for the paper size.
Booklet Stapling (B804 Only)
Fold Plate
Booklet Finisher & Finishers (B803/B805/ D373/D374/ D636/D637)
Booklet Finisher & Finishers (B803/B805/ D373/D374/ D636/D637)
Booklet Finisher & Finishers (B803/B805/ D373/D374/ D636/D637)
[A]: Bottom Fence Stack Stoppers. Catches the stack after it is released by the clamp rollers. [B]: Fold Plate Motor. Drives the timing belt and gears that move the fold plate.
[C]: Fold Plate Cam. Controls the movement of the fold plate to the left (into the nip of the fold rollers) and right (toward the fold plate home position).
[D]: Fold Plate HP Sensor. Controls operation of the fold plate motor.
[E]: Fold Plate. Moves left and pushes the stack into the nip of the fold rollers and then moves right to retract.
Fold Rollers
[F]: Fold Roller Motor. Drives forward to feed out the stack at the fold and then reverses to feed the fold in to sharpen the crease, and then drives forward again to feed out the folded stack. This reverse/forward cycle is done once.
This cycle can be repeated by changing the setting of SP6114.
[G]: Fold Rollers. Driven by the fold roller motor, this roller pair feeds out the stack at its fold, reverses to feed in the stack to, and then feeds forward again (assisted by the fold unit exit rollers
– not shown) to feed out the stack to the lower tray.