HP 49A Black LaserJet Toner Cartridge. Page yield: 2500 pages, Print technology: Laser, Printing colours: Black. Operating temperature range (T-T): 10 - 32.5 °C, Operating relative humidity range: 20 - 80 %, Storage temperature range (T-T): -20 - 40 °C. Dimensions (WxDxH): 117 x 390 x 168 mm, Package weight: 10 kg, Empty weight: 0.783 kg