Designed to work flawlessly with the HP LaserJet Enterprise M506dn and all other compatible printers this HP 87A toner cartridge has been produced and designed by the very same people as your printer. As such, you can rely upon cohesion between the genuine Hewlett Packard CF287Aand any compatible printer.The original HP 87A contains sufficient black Hewlett Packard toner powder for an estimated 9,000 prints, and each of these prints is guaranteed to be of astounding quality.