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 Laser technology Laser HP LaserJet 1012, Laser, 1200 x 1200 DPI, A4, 14 ppm, Duplex printing, Grey, Silver HP LaserJet 1012. Print technology: Laser. Number of print cartridges: 1, Maximum duty cycle: 5000 pages per month. Maximum resolution: 1200 x 1200 DPI. Maximum ISO A-series paper size: A4. Print speed (black, normal quality, A4/US Letter): 14 ppm, Duplex printing. Product colour: Grey, Silver https://www.pcmag.com/article2/0,2817,1436824,00.asp Specs: Rated Speed (Mono): 15 ppm https://www.cnet.com/reviews/hp-laserjet-1012-review/ Spec: Laser, 15 pages/min, Wired, Monochrome, PC, Mac, 600 dpi x 600 dpi Good: Good print quality and speed; double-sided printing; watermark feature; Windows and Mac compatible. Bad: Some installation glitches; limited paper-tray capacity; no USB cable. Bottomline: The affordable HP LaserJet 1012 delivers good print quality and speed, but its best suited for short reports and graphs. http://www.hardwarecentral.com/hardwarecentral/reviews/article.php/3288351 The most obvious improvement is speed -- entry-level monochrome lasers have climbed from 8 or 10 to 12 or more pages per minute; two of the newest,