Laser Tek Services Compatible 643A Toner Cartridge Replacement for the HP Q5950A. (Black, 1-Pack) Package Contains: 1 x Compatible HP Q5950A Black Toner Cartridge. Page Yield: 11,000 pages @ 5% page coverage. Works in the following printers: HP Color LaserJet 4700, HP Color LaserJet 4700DN, HP Color LaserJet 4700DTN, HP Color LaserJet 4700N. Laser Tek Services offers a 1 year, 100% satisfaction guarantee on the purchase of any Laser Tek Services replacement cartridges, drums, and refill kits. The use of Laser Tek Services compatible replacement toner cartridges, inkjet cartridges, and drum units will not void your printer's warranty.