Canon iR4570 Series Service Manual page 96

Chapter 2
F-2-26
Be careful where you hold the drum unit.
F-2-27
9) Secure the drum unit with the one screw [1] with
which the dummy drum has been secured.
F-2-28
2-12
10) Push down the developing assembly pressure
lever [1] and apply pressure.
F-2-29
11) Secure the developing assembly pressure lever
with the one screw [1].
F-2-30
12) Close the right door.
13) Mount the waste toner box [1].
F-2-31
Point to note after attaching the waste toner
receptacle