These printers use the PFI-107C cartridge:
Click On a Printer to View it's Cartridges
          Canon imagePROGRAF iPF 670
          Canon imagePROGRAF iPF 670 MFP L24E
          Canon imagePROGRAF iPF 680
          Canon imagePROGRAF iPF 685
          Canon imagePROGRAF iPF 770
          Canon imagePROGRAF iPF 770 MFP L36E
          Canon imagePROGRAF iPF 770 MFP M40
          Canon imagePROGRAF iPF 780
          Canon imagePROGRAF iPF 780 MFP M40
          Canon imagePROGRAF iPF 785
          Canon imagePROGRAF iPF 785 MFP M40