Brother DR890 Imaging Drum 50,000pgs

Drum Unit - Approximately 50,000 pages based on 3 pages per job and 30,000 pages based on 1 page per job (A4/letter simplex pages). The number of pages may be affected due to a variety of factors including but not limited to media type and size. Compatible with HLL6400DW, MFCL6900DW