These printers use the PFI-307Y cartridge:

Canon imagePROGRAF iPF 830

Canon imagePROGRAF iPF 830 MFP M40

Canon imagePROGRAF iPF 840

Canon imagePROGRAF iPF 840 MFP M40

Canon imagePROGRAF iPF 850

Canon imagePROGRAF iPF 850 MFP M40