Cool Toner Compatible Ink Cartridge Replacement for HP CHQ5942X ( Black ) Page Yield: 20000 pages at 5% coverage / color:black Save up to 60% compared to OEM toner cartridges 100% Satisfaction guarantee with One-Year warranty. Fast shipping with 3 to 5 business days delivery Certified with ISO9001, ISO14001, ROHS, STMC and CE. Msds certificate available upon request Compatible printers:HP LaserJet4200,4200N,4200TN,4200DTN,4200DTNS,4200DTNSL,4300,4300N,4300TN,4300DTN,4300DTNS,4300DTNSL,4250,4250N,4250TN,4250DTN,4250DTNSL,4350,4350N,4350TN,4350DTN,4350DTNSL,4345MFP