Contrapose to the high cost of HP cartridge, our
company develop the HP continual ink supply system. It matches
with the HP auto reset chip, needn't t disconnect the printer
when install the CFS. Specifications Suitable to the following
printer:HP8230/HP8238/HP8250. To use in HP
Cartridge:NO.HP02/NO.HP801/NO.HP177(C8721/C8771/C8772/C8773/C8774/C8775.)