The genuine transfer unit BU-220CL is an essential office component that helps extend the life of your printer, ensuring it continues to deliver high-quality documents. The BU-220CL unit ensures that the toner is properly transferred within the laser printer, so that text and images are reproduced accurately and clearly on printed documents. Extremely easy to install, it plays a crucial role in the printer's ability to provide professional results. With a lifespan of 50,000 pages, this transfer unit is long-lasting and reliable, making printer maintenance easier in your daily routine.