HEWLETT PACKARD Q3985A, Print technology Laser, Page yield 150,000 pages, Operating humidity range 20 to 80% RH, Non-Operating Humidity Range 10 to 90% RH, Storage temperature range -20 to 40° C, Operating temperature range 15 to 25° C, HP Color LaserJet 5550 Printer series. HP Color LaserJet 5550 printing supplies offer great print quality and reliable performance for fast, professional-quality colour printing. They are designed together with your HP LaserJet Printer for crisp, sharp, vibrant results every time.