Canon imageCLASS 2200 Reference Manual page 195

4
Hold the new toner cartridge in your hands, as shown below, and
rock it several times to the left and right.
5
Place the toner cartridge on the toner box, as shown below, and
push it in as far as possible.
6
Push the toner cartridge down, to lock it in place on the toner box.
Make sure that the black cartridge knob protrudes towards you.
Adding Toner 5-11
5