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SD-501
5. RIGHT ANGLE CONVEYANCE SECTION
23
Theory of Operation Ver2.0 Sep.2006
B. Overlap control
(1) Multi letter folding mode control
In the multi letter folding mode, up to 5 sheets are stacked in the right angle conveyance section and conveyed
to the folding section. The multi letter folding is available only with paper of 50 to 91 g/m
2
in weight and is
unavailable with others.
The overlap motor (M13) turns ON when the main body start signal [1] turns ON and moves the overlap stopper
upward to its standby position.
Turning ON the right angle conveyance gate solenoid (SD2) [3] after a specified period of time since the entrance
sensor (PS1) detects the trailing edge of the paper, the right angle conveyance gate is switched, M13 moves the
paper upward [4], and isolate the paper from the conveyance gate by transferring it to the left side of the right
angle conveyance gate. Turning OFF SD2 [5], the conveyance gate opens and waits for the subsequent paper.
Conveying the subsequent paper through the right side of the right angle conveyance gate [6] and detecting the
trailing edge of paper by the entrance sensor (PS1) [7], M13 moves the overlap stopper downward [8]. When the
trailing edge of paper passes under the right angle conveyance gate, SD2 turns ON [9] to switch the right angle
conveyance gate and M13 moves up the overlap stopper [10] to send the conveyed sheets of paper to the left
side of the right angle conveyance gate. Then, SD2 turns OFF [11] and stands by for the subsequent paper.
The overlap stopper moves down to the standby position and stands by for the 1st paper of the subsequent set
[12] after a specified period of time since PS1 detects the trailing edge of last paper of the set.
[1] Main body start signal [7] Trailing edge of the subsequent paper detected
[2] Overlay stopper moved to its standby position [8] Paper moved downward
[3] Right conveyance gate switched [9] Right conveyance gate switched
[4] Paper isolated [10] Paper isolated
[5] Conveyance path cleared [11] Conveyance path cleared
[6] Subsequent paper conveyed [12] Overlay stopper moved to its standby posi-
tion
15ant2c074na
[1] [3]
[4] [10] [7]
[5] [9] [8] [11] [2] [6]
[12]
Entrance sensor (PS1)
Overlap motor
(M13)
Right angle conveyance gate solenoid (SD2)
Up
Down