Canon IMAGEPRESS C7011VPS SERIES Operation Manual page 131

6.
Remove the blue screw on the rear edge retainer (1) using a coin or something similar.
IMPORTANT
Do not loosen or remove the blue screw on the outer size change plate.
7.
Remove the rear edge retainer, then remove the spacer that is stored in the back of the rear edge
retainer.
8.
Loosen the two black adjustment screws on the outer size change plate using a coin or something
similar.
9.
Insert the spacer (horizontally) into the space between the paper and the outer size change plate.
Adjust the outer size change plate of the bulk paper module (optional)
Chapter 7 - Media handling 131