Compatible with HP LaserJet 4200 LaserJet 4250 LaserJet 4300DTN LaserJet 4350 LaserJet 4200DTN LaserJet 4250DTN LaserJet 4300DTNS LaserJet 4350DTN LaserJet 4200DTNS LaserJet 4250DTNSL LaserJet 4300DTNSL LaserJet 4350DTNSL LaserJet 4200DTNSL LaserJet 4250N LaserJet 4300N LaserJet 4350N LaserJet 4200N LaserJet 4250TN LaserJet 4300TN LaserJet 4350TN LaserJet 4200TN LaserJet 4300. Approximate Page Yield: 21000 pages per cartridge at 5% coverage HP Q1339A Q5942 Q1338A 38A 39A Q5942A 42A Q5942X 42X Q5945A 45A High Yield Black Platinum Compatible Toner Cartridge. Package Content Compatible HP Q1339A Q5942 Q1338A 38A 39A Q5942A 42A Q5942X 42X Q5945A 45A High Yield Black Platinum Compatible Toner Cartridge. Prints high-quality images and texts. Microchip Included: The intelligent chips make cartridges work with your printer.