Canon IMAGERUNNER 2020 - Manual (Page 224)

Replacing the Staple Cartridge 7-22
Rou
tin
e Ma
int
ena
nce
7
5
Remove the seal holding the staples together, by pulling it
straight out, and then down.
IMPORTANT
Make sure that you pull the seal straight out, and then down. If you pull it out at an
angle, it may tear.
6
Gently push the staple case into the finisher until it is securely
in place.