Canon imageCLASS MF4270 Basic Operation Manual page 170

8
Insert the toner cartridge so that
the protrusion on the right side of
the toner cartridge (A) fits into the
guide (B) located on the right side
of the machine and slide it down
parallel to the guide.
9
Push the toner cartridge to make
sure it is properly set in the
machine.
10
Hold the grip (A) on the right front
side of the toner cover.
11
Close the toner cover.
10-13