This compatible HP Q1338A Laser Toner Cartridge is manufactured by ourselves and is good for approx 12000 pages @ 5% coverage. It comes with a 1 Year warranty, and is designed to work with printers that use hp Q1338A cartridges. This hp Q1338A is intended for the following devices - HP LaserJet 4200, 4200Dtn, 4200Dtns, 4200DtnsL, 4200n, 4200tn