HP LaserJet C4127A Black Print Cartridge. Page yield: 6000 pages, Print technology: Laser, Printing colours: black. Operating temperature range (T-T): 10 - 32.5 °C, Operating relative humidity range: 10 - 90 %, Storage temperature range (T-T): -20 - 40 °C. Dimensions (WxDxH): 353 x 156 x 247 mm, Package weight: 1.8 kg, Package dimensions (WxDxH): 353 x 156 x 247 mm