Reference: areps780
TO321 + T0422 to 424: 4 refillable empty cartridges with autoreset chip
Refillable empty cartridges TO422 to 424 + T0321 for Epson Sylus C82,CX5200,CX5400 printers These cartridges are equipped with autoreset chips and a small cap by color that is enough to remove to fill cartridges