Canon iR3570 Service Manual page 492

Chapter 12
3) Remove the waste toner box [1].
4) Open the right door [1].
5) Remove the locking screw [1] of the pressure lever.
6) Shift the locking lever [1] of the developing assembly to the left to release the developing assembly.
12-8
F-12-6
F-12-7
F-12-8
F-12-9