This Q5949A laser toner cartridge is manufactured by ourselves and is good for approx 2500 pages @ 5% coverage. It comes with a 1 Year warranty, and is designed to work with printers that use hp Q5949A cartridges. This hp Q5949A is intended for the following devices - HP LaserJet 1160, 1320, 1320N, 1320N, 1320TN, 3390, 3392