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 2 paper trays 2 Laser technology Laser HP LaserJet M402dne, Laser, 1200 x 1200 DPI, A4, 38 ppm, Duplex printing, Network ready HP LaserJet M402dne. Print technology: Laser. Number of print cartridges: 1, Maximum duty cycle: 80000 pages per month. Maximum resolution: 1200 x 1200 DPI. Maximum ISO A-series paper size: A4. Print speed (black, normal quality, A4/US Letter): 38 ppm, Duplex printing. Display: LCD. Network ready. Product colour: White https://www.techgearlab.com/reviews/small-and-home-office/printer/hp-laserjet-pro-m402n Criteria for Evaluation This graph displays the HP LaserJet Pro M402n's overall performance in our testing (in blue) to that of the other printers we tested. Below we discuss how the M402n performed on each one of our individual tests. Text Quality Th... Excellent text quality and speed, simple, Poor graphics The M402n won't satisfy those looking for a versatile do it all machine. But if you're looking for a simple, reliable device to print top quality text with at a lightning fast rate, you can't beat the M402n... http://www.computershopper.com/printers/reviews/hp-laserjet-pro-m402dw Aside from advances centered primarily around mobile connectivity, which we've seen in lasers and inkjets alike, laser-printer core technology just hasn't changed all that much lately—at least, not until HP's recent debut of two innovations in its line: i... Solid print quality, Respectable print speeds, Compact footprint for a mono laser, Energy-efficient, Loaded with mobile features Moderately high cost per page, Small input and output trays Compact and efficient, this single-function mono laser delivers fine-looking text (and quickly enough for its class), but its cost per page and small trays relegate it to light duty. Read More…...