This is a compatible Xerox 13R551 black laser drum unit, designed to work seamlessly with Xerox laser printers. It offers a standard yield of 18,000 pages, making it an economical choice for your printing needs. The drum unit retains the original plastic housing while all internal components, including OPC drums and wiper blades, have been replaced with new parts. Using this compatible replacement does not void your printer warranty and provides significant savings compared to original Xerox drum units. We back this product with a 100% Quality Satisfaction Guarantee.