These printers use the TK6347 cartridge:
Click On a Printer to View it's Cartridges
          Kyocera-Mita TASKalfa 4004 I
          Kyocera-Mita TASKalfa 5004 I
          Kyocera-Mita TASKalfa 6004 I
          Kyocera-Mita TASKalfa 7004 I