These printers use the T048220 cartridge:
Epson Stylus Photo R-200
Epson Stylus Photo R-220
Epson Stylus Photo R-300
Epson Stylus Photo R-300 M
Epson Stylus Photo R-300 ME
Epson Stylus Photo R-320
Epson Stylus Photo R-340
Epson Stylus Photo R-500
Epson Stylus Photo RX-500
Epson Stylus Photo RX-600
Epson Stylus Photo RX-620
Epson Stylus Photo Rx-640