These printers use the TK-602 cartridge:
Click On a Printer to View it's Cartridges
          Royal-Copystar CS 7530
          Royal-Copystar RI 4530
          Royal-Copystar RI 5530
          Royal-Copystar RI 6330
          Kyocera-Mita KM 4530
          Kyocera-Mita KM 5530
          Kyocera-Mita KM 6330
          Kyocera-Mita KM 7530