Canon BJC-3000 Series User Manual page 418

I Replacing a BJ Cartridge With the Scanner Cartridge
1
Make sure that the printer is plugged in and turned on. Open the front
cover; the cartridge holder moves to the center automatically.
2
Raise the cartridge lock lever to unlock the BJ cartridge.
3
Remove the BJ cartridge.
Caution To avoid staining your hands, clothing, or work area, handle the
BJ cartridge carefully. Avoid dropping or shaking the BJ cartridge.
Store the BJ cartridge in the Ink Cartridge Storage Box.
Installing the Scanner Cartridge
Using the Scanner 418