Canon iR C1020 Series Service Manual page 300

Chapter 15
4) Move the left cover [2] to the position where the 2 screws [1] of the power unit cover can be removed.
5) Remove the power unit cover [1].
- 12 screws [2]
- 1 terminal [3]
15-4
[1]
F-15-5
[1] [3]
[2]
F-15-6
[2]
[1]
[2]