Speedy Inks - 2PK Remanufactured Replacement for HP 38A Q1338A Black Laser Toner Cartridge For use in: HP LaserJet 4200, HP LaserJet 4200dtns, HP LaserJet 4200n, HP LaserJet 4200tn, HP LaserJet 4200dtn, HP LaserJet 4200dtnsl Page Yield: 12,000* Shelf Life: 24-36 Months Color: Black The use of aftermarket replacement cartridges and supplies does not void your printer's warranty