Canon imageRUNNER 2270 Service Manual page 943

Chapter 2
2) When the paper has moved past the reversal sensor (PS4A) and its trailing edge reaches
a specific point in front of the reversing roller, the No. 3 delivery motor (M2) stops once
and starts again to rotate in reverse direction after a specific period of time. The paper is
moved as it is to the duplex inlet assembly.
PS4A
M2
PS3A
F-2-11
2-8