Canon iPF800 Series Service Manual page 202

Chapter 4
8) Twist off belt fixer knob [1] to loosen the carriage belt. Remove spring [2], guide [3] and pulley [4].
9) Release the carriage belt from the carriage motor pulley.
10) Remove two screws [1] to remove pulley base [2].
11) Remove two screws [3] and two connectors [4] to remove lift drive unit [5].
12) Remove screw [1] to remove stopper [2] and then release carriage unit [3] from the printer right side.
4-22
[4] [3]
F-4-46
[5] [2]
[3] [4]
F-4-47
[3]
[1]
F-4-48
[2] [1]
[1]
[2]