Canon MF735C Series Service Manual page 364

2.
1x
2x
3.
CAUTION:
Be sure to free the bosses while holding the joint
because the Cartridge Cover Retainer comes off
easily.
NOTE:
The bosses can be freed easily by pulling the Left Cover
in the [A] direction and pulling the Cartridge Cover
Retainer in the [B] direction.
355
10. Installation
[A]
[B]