... sale 3.ISO9001/14001/SGS 4.Good after service 73N ink cartridge CommodityIRE- T0731/T0732/T0733T0734 (RC-731/732/733/734 ... , CX5505, CX5600,CX5900,CX6900F, CX7300, CX7310, CX8300,CX9300Frelative partsempty cartridge,ink,chipColorBK/C/M/Yink capacity (g)BK/15;C/13 ... customer service and technical supportAfter-selling serviceWe guarantee the good quality, and agree 1: 1 replace for the defective goods ...