Canon iR2025 Reference Manual page 342

3
While pushing down the release tab, pull the toner cartridge out in the
direction of the arrow in the illustration below.
4
Rock the new toner cartridge five or six times to distribute the toner
evenly inside the cartridge.
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 may deteriorate.
Replacing the Toner Cartridge
7
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