... continuous ink supply system 1.With chips, sensor 2.High quality 3.Install simply 4.8 colors for Epson printer R1900 Continuous ... seller ), avoid the undected chip problem because of updated Epson printer, decrease the stock risk of CISS seller.3. ... ink supply system can use for:Printer model: R1900Cartridge model: T0870, T0871, T0872, T0873, T0874, T0877, T0878, T0879 . ink system for R1900/R256 ...