HP 03A Black LaserJet Toner Cartridge. Page yield: 4000 pages, Print technology: Laser, Printing colours: black. Operating temperature range (T-T): 15 - 32 °C, Operating relative humidity range: 10 - 90 %, Storage temperature range (T-T): -20 - 40 °C. Dimensions (WxDxH): 196 x 344 x 122 mm, Package weight: 1.22 kg, Package dimensions (WxDxH): 344 x 122 x 196 mm