Canon imageRunner 6020 Reference Manual Reference Manual page 355

6
Lightly tap the top of the toner bottle to make sure that all of
the toner empties into the toner box.
7
Push back the shutter of the toner bottle, and the toner supply
port.
8
Make sure you hear a click when the black shutter of the toner
supply port has been pushed back in as far as the
When the toner bottle starts to come loose from the toner supply port, lightly hold
it so that it does not fall over.
position.
Adding Toner 5-15
5