1. Chips, sensor, cartridge quality are good.2. Combo chip( when black switch is down,that is, chip select self-sensor, can be used without original cartridge,use for printer in present market; When the chip can not be detected by printer if it is upgrade,dial the black switch up ,that is, chip select original cartridge sensor,use with original cartridge,use CISS continuously) decrease the stock risk of CISS seller ), avoid the undected chip problem because of updated Epson printer, decrease the stock risk of CISS seller.3. Save money, protect environment.4. Install simply, use conveniently.5. Beautiful outside.
C79 continuous ink supply system Can use for:Printer model: C79/C90/C92/CX3900/CX4900/CX7300/CX5500Cartridge model: T0731, T0732, T0733, T0734
continuous ink supply system with auto reset chip