Canon BJC-250 - Manual (Page 21)

Using Cartridge Detection
Use Cartridge Detection if you want the driver to alert you when the installed BJ cartridge
is not the correct choice to use with your Color Model setting. To enable Cartridge
Detection, which is located on the Setting tab, click the green check. Click on the red Ø
symbol to disable it.
If cartridge Detection cannot detect the cartridge type, it advises you to check that you
printer is on-line and that the cables are secure.
If you choose the monochrome Color Model and you have a BC-05 Color BJ Cartridge
installed, you'll see:
Performance Tip!
You now have a color cartridge installed in your printer. For faster printing
speed, change the color cartridge to the monochrome cartridge.