What's in the box: 1 pack 42X black toner cartridge compatible for HP 42A 42X Q5942A Q5942X Color: 42X Q594XA, Q133XA 38X black*1 Page Yield: Up to 2,0000 pages per 42X black toner cartridge (Letter A4, at 5% coverage) Compatible for HP LaserJet Printer: 4240n, 4250, 4250dtn, 4250dtnsl, 4250n, 4250tn, 4350, 4350dtn, 4350dtnsl, 4350n, 4350tn series printer High Quality: TRUE IMAGE high yield 42X black toner cartridge committed you with consistency, vibrant color, sharp printing TRUE IMAGE Compatible Toner Cartridge Replacement for HP 42X 42A Q5942X Q5942A Q1338X Q1338A 38X 38A for HP 4250 4200 4350 4300 4250N 4240 4350N 4250TN 4250DTN 4350DTN 4350TN Printer Ink (1-Pack)