C79 continuous ink supply system 1. With auto reset chip 2. Install and fill ink convenient 3.Save money, protect environment 1. Chips, sensor ... 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