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 FX-2190IIN, 738 cps, 240 x 144 DPI, 612 cps, 115 cps, 10,12 cpi, 6 copies Epson FX-2190IIN. Maximum print speed: 738 cps, Maximum resolution: 240 x 144 DPI, Maximum print speed (draft): 612 cps. Paper tray media types: Envelopes, Continuous paper thickness range: 0.0181 - 0.0181" (0.46 - 0.46 mm), Label thickness range: 0.0181 - 0.0181" (0.46 - 0.46 mm). Product color: Black, Buffer size: 128 KB, Sound pressure level (printing): 55 dB. Standard interfaces: Ethernet, Parallel, USB. Print head: 9-pin, Print direction: Bidirectional, Print head life: 400 million characters