Canon BJC-55 User Manual page 80

6
With the label side up, set the BJ cartridge into the cartridge holder at a
slight angle.
Align the marks (
illustration shows the BC-10 Black BJ Cartridge being installed in the
printer. The BC-11e Color BJ Cartridge has similar marks that you align
for installation.
) on the BJ cartridge with the marks on the holder. This
Insert the BJ Cartridge to align the
marks ( )
Changing or Replacing a BJ Cartridge
Maintaining the Printer 80