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 The Blue Angel is the ecolabel of the federal government of Germany since 1978. The Blue Angel sets high standards for environmentally friendly product design and has proven itself over the past 40 years as a reliable guide for a more sustainable consumption. Blue Angel Brother HL-L5100DNT, Laser, 1200 x 1200 DPI, A4, 40 ppm, Duplex printing, Network ready Brother HL-L5100DNT. Print technology: Laser. Number of print cartridges: 1, Maximum duty cycle: 50000 pages per month. Maximum resolution: 1200 x 1200 DPI. Maximum ISO A-series paper size: A4. Print speed (black, normal quality, A4/US Letter): 40 ppm, Duplex printing. Display: LCD. Network ready. Product colour: Black https://www.techradar.com/reviews/brother-hl-l5100dn The rather drab Brother HL-L5100DN may look uninspiring, but this simple cube can hold a lot of paper and a lot of toner and print at speeds that make some other laser printers look like leisurely inkjet machines.Designed for the small, but busy office, t... Very fast duplex print speed, Sharp and consistent printing, Deep and expandable paper capacity, High yield toner available No inbuilt Wi-Fi, No front USB port, Quite noisy in operation, Tiny one-line LCD is hard to read Despite its small footprint, the Brother HL-L5100DN has the toner and paper capacity to serve a busy small office and a modest-sized workgroup. You can load 250 sheets of paper in the main tray and stuff ten envelopes in the multi-purpose tray at the same...