These printers use the ERC-03-purple cartridge:
Epson 220
Epson 240
Epson ERC 03
Epson M 210 V
Epson M 220
Epson M 240
Casio 200
Casio 204
Casio 208 SR
Casio 2908
Casio 3908
Kodak 220
NCR 6676 ATM
NCR Personas 76
NCR Personas 90