Canon imagePRESS C1 Service Manual - page 498
Chapter 8
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8.8 Duplex Feeding Unit
8.8.1 Overview
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imagePRESS C1 P / imagePRESS C1 / imagePRESS C1+ (Printer) / imagePRESS C1+
1) The reversal solenoid (SL3) is turned OFF and the reversing flapper [1] is moved upward. The paper after fixing is fed to the reversal vertical path assembly.
F-8-38
2) When the trailing edge of the paper reaches the specified position (position about 19 mm from the reversal 2 roller [1]; criterion for the reversal sensor (PS17)),
the duplexing reversal motor (M8) stops/reverse-rotates, and then feeds the paper to the duplexing left feeding assembly.
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3) Side registration sensor (PS25) performs the side registration detection of paper. Then the paper is pressed by the duplexing left roller [1] to remove the skew by
arching, and fed to the duplexing re-pickup standby position by the duplexing left motor (M9).
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SL3
[1]
M8
PS17
[1]
PS25
M9
[1]