These printers use the ZT50DR cartridge:
Click On a Printer to View it's Cartridges
          Sharp PC 6000
          Sharp SF 6000
          Sharp SF 6600
          Sharp Z 50
          Sharp Z 52
          Sharp Z 52 II
          Sharp Z 55
          Sharp Z 57
          Sharp Z 57 II
          Sharp Z 70
          Sharp Z 72
          Sharp Z 75
          Sharp Z 75 II
          Sharp Z 76
          Sharp Z 77
          Sharp Z 85
          Sharp Z 85 II
          Sharp Z 85 III
          Sharp Z 87
          Sharp Z 88