This Q-Connect laser toner cartridge is a cost-effective alternative to the HP 503A series of LaserJet cartridges. Manufactured to the same high standards and producing similar levels of results, this remanufactured toner cartridge provides a respectable print yield of approximately 6000 pages based on a standard 5% coverage rate. Containing top quality Q-Connect ink toner, this cartridge produces consistent reliable results and is quick and easy to install.