These printers use the PFI-103MBK cartridge:
Canon imagePROGRAF iPF 5100
Canon imagePROGRAF iPF 5100 Wide Format
Canon imagePROGRAF iPF 6100
Canon imagePROGRAF iPF 6100 Wide Format
Canon imagePROGRAF iPF 6200
Canon imagePROGRAF iPF 6200 Wide Format