These printers use the T068420 cartridge:
Epson Stylus C-120
Epson Stylus CX-6000
Epson Stylus CX-7000 F
Epson Stylus CX-9475 Fax
Epson Stylus NX-200
Epson Stylus NX-300
Epson Stylus NX-510
Epson Stylus NX-515
Epson WorkForce 30
Epson WorkForce 40
Epson WorkForce 310
Epson WorkForce 315
Epson WorkForce 500
Epson WorkForce 600
Epson WorkForce 610
Epson WorkForce 615
Epson WorkForce 1100 WideFormat