With the BU-220CL transfer unit you don't have to compromise on quality. The original transfer unit was developed for your printer and helps ensure that you always receive reliably excellent printing results.The Original Brother Transfer Unit ensures that the toner in your laser printer is transferred properly so that text and images appear correctly and crisply on your printed document. Thanks to a lifespan of 50,000 pages, you will receive consistently high-quality prints. By choosing an original BU-220CL transfer unit, you ensure that your Brother machine functions optimally and is still protected by the 3-year guarantee.