1.Detailed Descriptions
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switch plate 1 [F], slides down onto the lower path. Next, the lowering of the top of the side-to-side roller
unit presses in the center of the stack with pressure from a large spring, and then center folding begins
when the fold plate [B] pushes into the center of the stack.
The movement of the fold plate cam stops the fold plate [C] and this holds the center of the stack out in
the folded position. The fold roller [B] applies pressure to the protruding stack and moves it toward the
left as shown below. Next, when Fold Plate Cam HP Sensor (S9) [A] goes on twice after the cam has
rotated twice, the saddle shape operation is half finished, the fold roller unit is at position [D], and then
the Press Fold Motor (STM10) switches into reverse. At the same time, in the upper path, the top of fold
roller unit reverses, releasing pressure on the fold.
When the fold roller unit [C] releases pressure and starts to reverse, the top of the side-to-side fold
roller presses on switch plate 2 [D] which directs it down into the lower path. When pressure is applied
to the remaining part of the stack, fold roller [A] returns to the home position, detected by the Fold Plate
HP Sensor (S1) [B].
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