Compatible with the following HP OEM part numbers:HP 11X / HP 11HP Q6511XPage Yield: 12,000The cartridge fits the following printers:HP LaserJet 2400, HP LaserJet 2410, HP LaserJet 2420HP LaserJet 2420d, HP LaserJet 2420dn, HP LaserJet 2420nHP LaserJet 2430, HP LaserJet 2430dtn, HP LaserJet 2430nHP ..