Canon BJC-4400 - Manual (Page 67)

Chapter 4 Maintaining the Printer 4-13
❍ If you are replacing an old BJ cartridge, dispose of the old
cartridge properly.
❍ If you are switching cartridges, you must store the
cartridge you are removing in the Ink Cartridge
Storage Box.
Store or
dispose of the
BJ cartridge.
Slide the
BJ cartridge
out of the holder.
Maintaining the Printer