These printers use the 0261B001AA cartridge:
Click On a Printer to View it's Cartridges
          Canon Color imageRUNNER C-4080
          Canon Color ImageRUNNER C-4080 F
          Canon Color imageRUNNER C-4080 I
          Canon Color imageRUNNER C-4580
          Canon Color imageRUNNER C-4580 I
          Canon ImageRUNNER C-4080
          Canon ImageRUNNER C-4580
          Canon ImageRUNNER C-4580 F