Canon iPF800 Series Service Manual page 201

5) Remove two screws [1] to remove carriage upper cover [2].
6) Remove three connectors [1].
7) Remove two screws [1] and connector [2] to remove carriage HP sensor assembly [3].
[1]
[2]
F-4-43
[1]
F-4-44
[1] [2]
F-4-45
[1]
[3]
Chapter 4
4-21