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 EPL 6100L 16PPM, 600 x 600 DPI, 16 ppm Epson EPL 6100L 16PPM. Number of print cartridges: 1. Maximum resolution: 600 x 600 DPI, Print speed (black, normal quality, A4/US Letter): 16 ppm