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DUPLEX
8.4 DUPLEX STACKING
[B]
[B]
The jogger motor (stepping motor) [A] drives the side fence drive wire [B] to
move the side fences [C] inward or outward.
When the main switch is turned on, the jogger motor rotates to place the
jogger fences at the home position by monitoring the signal of the jogger
home position sensor [D].
When the start key is pressed, the jogger motor rotates to position the side
fences according to the selected paper size. 30 ms after the duplex transport
sensor detects the leading edge of the paper (OFF → ON), the jogger motor
rotates to position the jogger side fences 10 mm away from the selected
paper size. When the copy paper is delivered in the duplex tray, actually 150
ms after the duplex transport sensor detects the trailing edge of the paper
(ON → OFF), the jogger fences move inward to square the paper. 30 ms
after the duplex transport sensor detects the leading edge of the next copy
paper, the jogger fences move back to the previous positions (10 mm away
from the paper size) again.
The jogger fences move inward to square the paper stack for every copy
paper stack at the same timing as before. After the last copy of the first side
copying enters the duplex tray, the jogger fences remain against the paper
stack.
[D]
A176D634.wmf
[C]
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15 July 1996
[A]
10 mm
10 mm
A176D635.wmf
[C]
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