Canon imageRUNNER C3489 Reference Manual page 379

10
Return the knob to its original position.
Black Toner Cartridge
IMPORTANT
Before you turn the knob, make sure that the toner cartridge is pushed into the
machine as far as possible.
11
Close the front cover of the main unit.
CAUTION
When closing the front cover of the main unit, be careful not to get your
fingers caught, as this may result in personal injury.
Cyan, Magenta, or
Yellow Toner Cartridge
Replacing the Toner Cartridge
7
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