Canon iR4570 Series Service Manual page 417

An image is formed for the 1st side of the 2nd sheet and for the 2nd side of the 4th sheet. The 3rd sheet is moved for
duplexing.
The 2nd sheet is delivered. The 4th sheet is turned over, and is moved for duplexing registration. The 3rd sheet is
moved for registration once again. The 5th sheet is picked up.
1
2
2
4
3
F-8-69
2 4
1
3
5
F-8-70
Chapter 8
8-61