Canon iRC3580 Guide De L'utilisateur page 74

12
Close the protective packaging with the
used toner cartridge inside, in the same
way as how the new toner cartridge was
packaged.
2
13
Hold the top portion of the protective
packaging, and place it in the box that
was used for the new toner cartridge.
14
Close the flaps of the box.
When closing the flaps, close the right flap first, and
then close the left flap. Lastly, insert the tab into the slot.
IMPORTANT
Make sure to insert the tab into the slot completely when
closing the flaps of the box.
2-12
Replacing the Toner Cartridge