Canon image Prograf iPF780 Series, Service Manual

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Chapter 4
4-17
5) Remove the belt [1] from the pulley [5], and then remove two screws [2] and disconnect one connector [3] to remove the carriage motor [4].
F-4-32
Precautions about Reinstallation of Carriage Motor
- Reinstall the carriage belt [1] carefully so that it is not twisted. After reinstalling it, check whether the carriage moves on the platen smoothly.
F-4-33
- Reinstall the pulley retainer [1] in such a manner that it fits in the notch [2] on the side plate.
F-4-34
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
[1]
[3]
[4]
[2]
[5]
[1]
[1]
[2]