Drum is designed for use with Brother MFC9460cdn, MFC9560cdw, MFC9970cdw; HL4150cdn, HL4750cdw, and HL4750cdwt. Replacement drum yields approximately 25,000 pages.
I panicked when I thought I would be out of business because of my need for a new drum unit for my laser printer. Best Buy was able to deliver to me within three days and my business continued at it's present rate.