These printers use the PFI-303Y cartridge:

Canon imagePROGRAF iPF 810

Canon imagePROGRAF iPF 810 Pro Wide Format

Canon imagePROGRAF iPF 810 Wide Format

Canon imagePROGRAF iPF 810 Pro

Canon imagePROGRAF iPF 815

Canon imagePROGRAF iPF 815 MFP

Canon imagePROGRAF iPF 815 MFP M40

Canon imagePROGRAF iPF 820

Canon imagePROGRAF iPF 820 Pro Wide Format

Canon imagePROGRAF iPF 820 Wide Format

Canon imagePROGRAF iPF 820 Pro

Canon imagePROGRAF iPF 825

Canon imagePROGRAF iPF 825 MFP

Canon imagePROGRAF iPF 825 MFP M40