Brother Genuine DR810CL Drum Unit delivers professional color laser output with an approximate 100,000-page yield (Approximate yield based on 3 pages per job [letter/A4 single-sided pages]. The number of pages may be affected by a variety of factors including but not limited to media type and media size). All Brother Genuine Supplies are designed as part of a complete printing system to provide superior quality and reliability. Brother Genuine toner is precisely balanced for even flow and consistent toner distribution. Use only Brother Genuine drums for reliable, business quality results.