Canon iPF750 series Service Manual page 146

Chapter 4
- Reinstall the pulley retainer [1] in such a manner that it fits in the notch [2] on the side plate.
d) Action to take after removing or replacing the carriage motor
After the carriage and carriage motor and carriage belt and linear encoder sensor has been removed or replaced, execute the following service mode.
Service mode: SERVICE MODE > ADJUST > CR MOTOR COG
e) Shutter Motor
Removing the Shutter Motor
1) To remove the shutter motor, remove the output guide (right).
2) Disconnect one connector [1]. While releasing the hook [3] by pressing the protrusion [2], turn the shutter motor unit [4] slightly in the clockwise direction.
Remove the shutter motor unit [4] with it lifted.
4-14
[2]
[1]
F-4-31
[4] [1]
[2]
[3]
F-4-32