These printers use the SF-6800 cartridge:
Click On a Printer to View it's Cartridges
          Samsung MSYS 730
          Samsung MSYS 6750
          Samsung MSYS 6800
          Samsung MSYS 6900
          Samsung SF 730
          Samsung SF 6750
          Samsung SF 6800
          Samsung SF 6800 I
          Samsung SF 6800 P
          Samsung SF 6800 PI
          Samsung SF 6900
          Samsung SF 6900 I