These printers use the T017201 cartridge:
Click On a Printer to View it's Cartridges
          Epson 1000 ICS
          Epson Stylus Color 680
          Epson Stylus Color 685
          Epson Stylus Color 777
          Epson Stylus Color 777 FOR COMPAQ IPAQ
          Epson Stylus Color 777 FOR WEB TV
          Epson Stylus Color 777 I
          Epson Stylus Color 777 IPAQ