These printers use the T042320 cartridge:
Epson C 82 WN
Epson CX 5200
Epson CX 5400
Epson Stylus C-82
Epson Stylus C-82 N
Epson Stylus C-82 WN
Epson Stylus Cx-5100
Epson Stylus CX-5200
Epson Stylus Cx-5300
Epson Stylus CX-5400