The HP 11X (Q6511X) Black LaserJet Toner Cartridge is a high yield toner specifically designed for HP LaserJet printers. This original, sealed cartridge is compatible with models such as 2420d, 2420, 2430dtn, 2420dn, 2430n, and 2430tn. Produced in Japan, this black toner cartridge ensures crisp and clear printouts with its reliable brand reputation. Perfect for professional printing tasks, this HP product guarantees quality and efficiency in every print job.