Canon IR1600 Reference Manual page 110

5
While gripping the handle of the toner cartridge, pull it out toward the direction of the
arrow in the illustration below.
6
Rock a new toner cartridge five or six times to distribute the toner evenly inside the
cartridge.
5
WARNING
Do not throw used toner cartridges into open flames, as they may ignite the toner remaining inside the
cartridge, and result in burns or a fire.
IMPORTANT
If the toner is not distributed evenly inside the cartridge, the printing quality deteriorates.
5-12 Replacing the Toner Cartridge