Canon imageCLASS MF4270 Basic Operation Manual page 161

5
Open the toner cover.
10-4
6
Remove the toner cartridge.
– Do not touch the rollers and parts which
have labels "CAUTION! Hot surface avoid
contact" on. They become very hot during
use.
– To avoid exposing the toner cartridge to
light, place it in its protective bag or wrap it
in a thick cloth.
– Do not open the drum protective shutter
(A) on the toner cartridge. Print quality may
deteriorate if the drum surface is exposed
to light or is damaged.
Always hold the toner cartridge by its handle.