Canon Color Bubble Jet BJC-2000 Series User Manual page 74

Open the
front cover.
Remove the
empty BJ tank.
Chapter 4
Grasp the top of the cover in the center and pull it
forward.
The cartridge holder moves to the center of the printer.
The color BJ tank is on the left; the black BJ tank is on the
right.
Grasp the tab on the top of the tank and pull forward to
release the BJ tank.
Then lift the BJ tank up and out of the BJ cartridge unit.
Dispose of the BJ tank properly. You may want to place it
in a plastic bag to keep from spilling any residual ink.
Maintaining the Printer 4-15