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 1500, Laser, Colour, A4, 16 ppm, Duplex printing, Blue, White HP LaserJet 1500. Print technology: Laser, Colour. Maximum duty cycle: 30000 pages per month. Maximum ISO A-series paper size: A4. Print speed (black, normal quality, A4/US Letter): 16 ppm, Duplex printing. Product colour: Blue, White The HP Colour LaserJet 1500Ls low price puts good colour laser printing within the grasp of budget-strapped small offices. But if you need high volume or room to grow, get a more expandable model.