Canon BJ-200ex - Manual (Page 22)

7. Push the lock lever down until it locks into place.
§ Use one hand only to set the cartridge and press the lock lever
down.
§ Make sure there is no resistance when you press on the lock
lever. The lever should lock easily into place.
§ If you hear any snapping noises or feel any resistance as you
press down on the lever, remove the cartridge and try again.
8. Be sure no gap exists between the ink cartridge and
cartridge holder.
§ When secure, the ink cartridge makes contact with the circuit
card inside the cartridge holder.
Do not move the ink cartridge after installing it. Moving the ink
cartridge to the left and leaving it there may uncap the print head
and cause it to dry out.
9. Close the front cover.
When you turn off the printer, the ink cartridge moves to
the home position on the right and caps itself to keep itself