Canon IMAGERUNNER 2030 i Reference Manual page 302

3
Remove the end guide, as shown below, and replace the end
guide, aligning it with the marks for the desired paper size.
Remove the end guide by pressing it down and forward. Align the end guide with
the marks indicating the desired paper size. Then, replace the end guide by
tilting it forward and inserting the tabs at both ends of the end guide into the
slots. The end guide should then be returned to its vertical, upright position.
4
Lift up the lock lever on the front slide guide, and slide it to the
groove marked for the desired paper size.
7-9
Paper Drawers
7