V4INK174; Remanufactured HP C4127A Toner Cartridge-Black for HP LaserJet 4000/4050 Series Style: Remanufactured (Replacement) Guarantee: One-Year Warranty/Shelf Time: 18M Color: Black Page Yield: 6,000 pages@5% coverage ISO/IEC 19752 (letter/A4) Compatible Printer List: HP LaserJet 4000/4050 Series