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 Laser technology Laser HP LaserJet Color 9500hdn Printer, Laser, Colour, 1200 x 1200 DPI, A3, 24 ppm, Duplex printing HP LaserJet Color 9500hdn Printer. Print technology: Laser, Colour. Number of print cartridges: 4, Maximum duty cycle: 200000 pages per month. Maximum resolution: 1200 x 1200 DPI. Maximum ISO A-series paper size: A3. Print speed (black, normal quality, A4/US Letter): 24 ppm, Duplex printing. Network ready https://www.pcmag.com/archive/hp-color-laserjet-9500hdn-122753 Specs: Type: 1-pass color, Technology: Laser, Rated Speed (Color): 24 ppm, Rated Speed (Mono): 24 ppm