This Brother DR5500 remanufactured drum unit replaces the original DR5500 drum unit in Brother printers such as the HL-7050. We source these drum units from the very best professional remanufacturers, who ensure that the original DR5500 drum unit is replaced to the highest possible standards.The role of the DR5500 drum unit is to transfer the toner powder from the toner cartridges onto the page. Having a separate drum unit, such as the Brother DR5500, allows extended use, which stand alone cartridges which include the drum unit do not offer.This Brother black DR5500 drum unit is designed to print a total of 40,000 pages in its lifetime, providing the same number of pages as the original DR5500 drum unit and offering comparable quality for just a fraction of the price. Compatible with a variety of Brother printers listed above.Our remanufactured Brother DR5500 drum unit for this range of Brother printers are amongst the lowest priced on the Internet and carry a 100% satisfaction guarantee. All our prices include VAT and delivery so the price you see is the price you pay.