1,compatible OEM ink cartridge 2,save printing cost 3,Easy to use 4,High ... with EPSON Stylus NX125,NX420,NX625,Workforce 325,Workforce 520 inkjet printerCartridge No T1251 black, T1252 cyan, T1253 magenta, T1254 yellow ... ink freely ,and save printing cost3, Use as OEM ink cartridge chip