Canon iR6570 series Service Manual page 134

Chapter 4
[1]
4) Detach the reuse band [1], and disconnect the connector [2]; then, lift
the right door to detach.
5) Disconnect the connector [1], and free the fan harness from the
clamp; then, remove the 2 screws [2], and detach th controller
cooling fan [3].
[1]
4-20
[2]
F-4-41
[1]
[2]
F-4-42
[3]
[2]
F-4-43