A4 color Epson Ecotank L5290 3-in-1 office ink tank printer with color LCD and ADF Wi-Fi Black screen up to 33 ppm/15 ppm: The technical specifications Additionally, The PintPrinting Method Epson Micro PiezoTM print head Nozzle Configuration: 180 Black Nozzles, 59 Color Nozzles With variable-sized droplet technology, the minimum droplet size is three pl. Technology of Ink Printing with Dye Ink