Canon Inner Finisher-H1 Service Manual page 25

1. After the delivery sensor (PS1) detects the trailing edge of the paper, the paddle motor (M10) runs to move the paddle unit
down. The paddle driven by the feed motor (M1) delivers the paper toward the processing tray. After a given time elapses,
the paddle unit is moved up.
2. After the delivery sensor (PS1) detects the trailing edge of the paper, the return belt motor (M2) runs to move the return belt
unit down. The delivered paper is pressed against the stopper by the return belt driven by the feed motor (M1) and aligned
in the feed direction.
After a given time elapses, the return belt unit is moved up.
NOTE:
Paper is not fed by the returned belt if the paper width is more than 297.0 mm or less than 120 mm or if the paper is special paper
or envelopes.
Paddle Unit
M1
M10
Paddle Processing Tray Unit
M2
M1
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2. Technical Explanation
PS1
Return Belt
PS1
Stopper