These printers use the PC-401 cartridge:
Click On a Printer to View it's Cartridges
          Brother Fax 560
          Brother Fax 565
          Brother Fax 580 MC
          Brother Fax 645
          Brother Fax 685 MC
          Brother Fax 727
          Brother Fax 737 MC
          Brother IntelliFax 560
          Brother IntelliFax 565
          Brother IntelliFax 580
          Brother IntelliFax 580 MC
          Brother MFC 660 MC
          Brother MFC 960 MC
          Brother PPF 560
          Brother PPF 580 MC