Save and print even more with our compatible cartridge! This listing contains 1, Q6511X 11X high yield black toner cartridge. Why pay twice as much for brand name HP cartridges when our compatible printer supplies deliver excellent quality for a fraction of the price? Our compatible cartridge for Hewlett Packard is backed by a full 2-year satisfaction guarantee and works in the following HP LaserJet printers 2420, 2420d, 2420dn, 2420n, 2430, 2430dtn, 2430n and 2430tn. Please note, our compatible toner cartridges are not manufactured by HP and will only work with printers purchased within the United States and Canada. Retail packaging may vary. We are the exclusive reseller of LD Products brand of high quality printing supplies on Amazon.