Canon C9075 PRO Operating Manual page 30

4
Remove the blue screw on the rear edge retainer using a coin, screwdriver or something similar .
1
5
Remove the rear edge retainer .
6
Remove the two blue screws on the outer size change plate using a coin, screwdriver or something
similar .
Do not loosen or remove any screw other than the two blue screws on the outer size change plate.
1-18
Paper Drawers