Canon IMAGERUNNER 2016 Reference Manual page 274

6
Push up the green fixing lever.
7
Place your hand where the hand symbol is located on the left
cover of the main unit, and then gently close the left cover
until it clicks into place in the closed position.
CAUTION
When closing the left cover, be careful not to get your fingers caught, as
this may result in personal injury.
Clearing Paper Jams 8-27
8