Canon MF4600 Series Basic Operation Manual page 190

3
Remove the toner cartridge.
4
Gently rock the toner cartridge
five or six times to distribute toner
evenly.
5
Hold the toner cartridge by its
handle.
The arrow (A) on the toner cartridge should
be facing away from you and pointing down.
Do not open the drum protective shutter
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.
10-11