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 Photo R220 A4 USB, Color, 5760 x 1440 DPI, 2, A4, 15 ppm Epson Stylus Photo R220 A4 USB. Color, Number of print cartridges: 2. Maximum resolution: 5760 x 1440 DPI. Maximum ISO A-series paper size: A4. Print speed (black, normal quality, A4/US Letter): 15 ppm