The HP 27X Black laser printer toner Cartridge is equipped with Ultraprecise technology. This durable laser toner cartridge is perfect for both medium and high volume users. It ensures optimum print quality and increased output. It is compatible with HP LaserJet 4000 and 4050 series of printers. It has a capacity of yielding up to 10000 pages. Specifications Manufacturer: HP Manufacturer Part Number: C4127X Databazaar Part Number: HEWC4127X Color: Black Page Yield: 10000 Type: Toner Cartridge Condition: New & Original UPC: 088698192771 Weight: 4.00 lbs. Description: The HP 27X Black laser printer toner Cartridge is equipped with Ultraprecise technology. This durable laser toner cartridge is perfect for both medium and high volume users. It ensures optimum print quality and increased output. It is compatible with HP LaserJet 4000 and 4050 series of printers. It has a capacity of yielding up to 10000 pages. MORE ABOUT THIS PRODUCT HP UltraPrecise toner cartridge is designed for use with Hewlett-Packard LaserJet 4000 and 4050 series printers. Cartridge yields approximately 10 000 pages based on 5 percent coverage.