One of the most essential components in your Lexmark laser printer, the remanufactured 520Z image drum processes the black toner powder from the cartridges and helps create the quality of print you are used to. With a high estimated yield, the remanufactured Lexmark 520Z offers an estimated 100,000 prints, meaning it rarely needs replacing.Composed of both original Lexmark parts and compatible components designed to work with the 520Z, this high quality drum unit will work with all the laser printers listed on this page. Each remanufactured Lexmark 520Z imaging drum comes fully guaranteed for a full 3-years warranty, ensuring your complete satisfaction.