100% Satisfaction Guarantee! One Year Warranty! Brand: Generic Brand / New Compatible Replacement for HP 42X Q5942X Color Type: Black Shelf Life: 2 Years Page-Yield: Up to 20,000 pages per 42X Q5942X toner cartridge (at 5% coverage) For Use with HP LaserJet 4200,4200n,,4200tn, 4200dtn,4200dtns, 4200dtnsl,4300,4300n, 4300tn,4300dtn,4300dtns,4300dtnsl,4240,4250,4250n,4250tn,4250dtn,4250dtnsl,4350,4350n,4350tn,4350dtn,4350dtnsl,4345mfp 100% Compatible High Quality Replace For HP 42X Q5942X Our products are certified with ISO 9001 and ISO 14001. If you are not 100% satisfied with your purchase, you can return your order to us within 30 days for a full refund or free replacement, return shipping is absolutely Free.