Booklet maker alignment of paper
The alignment motor (M5) drives the alignment plates each time paper is output, putting both left and
right edges of the sheet in order. The alignment-plate motor is a four-phase stepping motor. The
position of the alignment plate is identified by the number of motor pulses from the alignment-plate
home-position sensor (PI5). The saddle-stitching mechanism operates on two sheets as follows.
1. When the first sheet is output, the alignment plates touch the left and right edges of the stack
(first alignment). The alignment plates leave the home position in advance and wait at points 10
mm from the edges of the stack.
Figure 1-141 Paper alignment (1 of 8)
Sheets
Paper positioning
plate
Alignment
plate
Alignment
plate
Alignment plate home
position sensor
(PI5)
2. The alignment plates move away from the stack and then return (Second alignment).
Figure 1-142 Paper alignment (2 of 8)
3. The alignment plates move 10 mm from the edge of the stack.
Figure 1-143 Paper alignment (3 of 8)
4. When the stack arrives, steps 1 through 3 repeat.
ENWW Booklet maker and booklet maker with hole punch 183
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