Canon iR6570 series Service Manual page 96

Chapter 2
12) Lift the cassette heater [1] until it butts against the machine; then, secure it in place using the 2 included screws [2].
13) Connect the cassette heater connector [1] to the connecter [2] of the machine.
2-38
[B]
[A]
[1]
F-2-107
[2]
[1]
F-2-108