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 DELL 1720 Laser Printer, 1200 x 1200 DPI, A4, 28 ppm DELL 1720 Laser Printer. Cicle de (màxim): 25000 pàgines per mes. Resolució màxima: 1200 x 1200 DPI. Mida màxima de paper sèrie A ISO: A4. Velocitat d'impressió (negre, qualitat normal, A4/US Letter): 28 ppm