... .reduce printing cost by 90%. Continuous Ink Supply System (CISS) for HP Suitable for printer: HP series printerColor: 4-6 ColorsOEM cartridge: HP ... ; this is not an OEM product. Our CISS products used for HP inkjet printer(For more details and pricelist,please feel free to ... ,500ps,800,800ps,815mfp,copiercc800psHP Office jet 9110,9120,9130;Pro K550,K5400,K5300,K8506 colors:HP Design jet 10ps,20ps ...