Save even more with our compatible laser toner cartridge. This listing contains 1 Q5942A black laser toner cartridge. Why pay twice as much for brand name HP 42A Cartridge when our compatible printer supplies deliver excellent quality for a fraction of the price? Our compatible cartridges for Hewlett Packard are backed by a full 2 years 100% satisfaction guarantee. So stock up now and save even more! This is not a remanufactured cartridge and it was not manufactured by HP. This item works in the following HP LaserJet Printers 4250tn, 4250, 4350dtn, 4350n, 4240n, 4250dtnsl, 4350, 4350dtnsl, 4240, 4250dtn, 4350tn, 4250n. Please note, retail packaging may vary and this item will only work with printers purchased within the United States and Canada. We are the exclusive reseller of LD Products brand of high quality printing supplies on Amazon.