Sharp AR-F15 Service Manual page 107

5. Folding/Delivering the Stack
The paper pushing plate pushes against the center of the stack to move it in the direction of the
paper folding rollers. In response, the paper folding rollers pick the stack along its center and fold
it in two. The paper folding rollers together with the delivery roller then move the stack along to
output it on the delivery tray.
CHAPTER 3 SADDLE STITCH UNIT BASIC OPERATION
Paper folding
roller
Delivery roller
Figure 3-206
3-13