Canon imageCLASS MF6500 Series Basic Manual page 22

● 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 to avoid touching the drum protective
shutter.
● Do not stand the toner cartridge on end, and do not turn it upside down. If toner
becomes caked in the toner cartridge, it may become impossible to free it even by
shaking the toner cartridge.
CAUTION
Do not place the toner cartridge in fire. Toner powder is flammable.
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