Save and print even more when you shop with LD Products! This listing contains 1 Q6511A Black laser toner cartridge; it replaces the original HP 11A series. Manufactured 100% brand new with all new parts including OPC drums and wiper blades, this is an economical alternative to expensive OEM Original Equipment Manufacturer laser toner cartridges and supplies. This item is compatible with HP LaserJet 2420, 2420d, 2420dn, 2420n, 2430, 2430dtn, 2430n and 2430tn printers. Please note, retail packaging may vary and this item will only work with printers purchased within the United States and Canada. The use of compatible replacement cartridges and supplies does not void your printer warranty. Our compatible toner cartridges are not manufactured by HP. We are the exclusive reseller of LD Products brand of high quality printing supplies on Amazon.