Brother Genuine DR310CL Color Laser Drum Unit. Professional color laser print quality you can consistently rely on for 25,000 pages. Intelligently engineered to work in seamless unison with your Brother printer. Brother Genuine toner produces rich, vibrant prints that withstand the test of time. Brother offers a way for customers to dispose of Brother Genuine cartridges. Visit Brother's website to learn more. This innovative drum brings superior quality to every print job. You'll appreciate the professional output, page after page. Formulated to help prolong your machine's useful life.