Brother Genuine Drum Unit. Count on OEM performance from this superior drum. Regular replacement of crucial parts extends the useful life of your printer. Professional mono laser print quality you can consistently rely on for 12,000 pages. Intelligently engineered to work in seamless unison with your Brother printer. Brother Genuine toner produces crisp, sharp 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.