MM Black Drum Unit - Brother DR5500 - For Brother HL, Brother, 40000 pages, Laser printing, Black, Black, 2.65 lbs (1.2 kg) MM Black Drum Unit - Brother DR5500 - For Brother HL. Brand compatibility: Brother, Page yield: 40000 pages, Print technology: Laser printing. Weight: 2.65 lbs (1.2 kg). Approximate page yield (A4, black & white, ISO/IEC 19752): 40000 pages