HEWLETT PACKARD CB383A Toner Cartridge, Color: Magenta, Print technology: Laser, Page yield (colour): 21,000 pages, Operating temperature range: 62.6 to 77°F, Storage temperature range: -4 to 104°F, Operating humidity range: 20 to 80% RH, Storage humidity: 10 to 90% RH. Get fast, brilliant results with enhanced HP Color Sphere toner. With reliable, consistent performance from everyday documents to marketing materials, and time-saving supplies management features, using Original HP supplies means high productivity.