Canon IMAGERUNNER 2016 Reference Manual page 262

4
Gently push the paper drawer back into the machine until it
clicks.
CAUTION
When returning the paper drawer to its original position, be careful not to
get your fingers caught, as this may result in personal injury.
5
Close the paper drawer's left cover.
CAUTION
When closing the paper drawer's left cover, be careful not to get your
fingers caught, as this may result in personal injury.
Clearing Paper Jams 8-15
8