TRUE IMAGE Compatible Ink Cartridge Replacement for HP Q5942X ( Black ) High Page Yield: 20,000 pages @ 5% coverage Compatible Printers: HP LaserJet 4200, 4200N, 4200TN, 4200DTN, 4200DTNS, 4200DTNSL, 4300, 4300N, 4300TN, 4300DTN, 4300DTNS, 4300DTNSL, 4250, 4250N, 4250TN, 4250DTN, 4250DTNSL, 4350, 4350N, 4350TN, 4350DTN, 4350DTNSL, 4345MFP New Replaces: HP Q5942X Certifications: ISO9001, ISO14001, CE, STMC Warranty: Lifetime 100% satisfaction guarantee