ENERGY STAR® is the government-backed symbol for energy efficiency, providing simple, credible, and unbiased information that consumers and businesses rely on to make well-informed decisions. ENERGY STAR is the simple choice for energy efficiency, making it easy for consumers and businesses to purchase products that save them money and protect the environment. ENERGY STAR Epson Stylus NX420, Inkjet, Colour printing, 5760 x 1440 DPI, Colour copying, A4, Direct printing Epson Stylus NX420. Print technology: Inkjet, Printing: Colour printing, Maximum resolution: 5760 x 1440 DPI, Print speed (colour, normal quality, A4/US Letter): 3,3 ppm. Copying: Colour copying. Scanning: Colour scanning, Optical scanning resolution: 1200 x 1200 DPI. Maximum ISO A-series paper size: A4. Wi-Fi. Direct printing