Canon BJC-55 - Manual (Page 44)

6.
Press down gently on the high side of the BJ Cartridge until it snaps
in place.
7.
Close the top cover.
8.
Wait about three seconds and press the CARTRIDGE button once.
After the BJ Cartridge is installed, the printer requires at least two
seconds to detect the presence of the BJ Cartridge then the cartridge
holder will move to the home position.
Always press the CARTRIDGE button to move the cartridge holder to
the home position. If you fail to press CARTRIDGE button and the
cartridge holder stays in the centre, after five minutes the buzzer beeps
three times and the cartridge holder automatically returns to the home
position to prevent the print head from drying out.
CARTRIDGE
POWER ERROR
CHARGE
RESUME
42 Chapter 2 Setting Up the Printer