Print confidently and maximize the performance of Brother Business Color Laser Printers and All-in-Ones with a DR635CL Drum Unit. Developed as part of an effective printing system, this long-lasting Drum Unit works in tandem with Toner cartridges to deliver sharp, professional-looking prints with yields up to 30,000 pages(1) . Expertly engineered for consistent toner distribution on every page, it offers worryfree reliability, precise performance and premium-quality results. Designed by the printing experts at Brother for superiorfit, function and durability, it's a trusted solution for printing professional color laser business documents that demand attention and get noticed. For best results, use with Brother single-function and all-in-one color laser printers: HL-L8430CDW, HL-L8430CDWT, HL-L8570CDW, MFC-L8730CDW, MFC-L8930CDW, MFC-L8970CDW, and MFC-EX575. (1) 1 Approximately 30,000 pages based on 1 page per job or 50,000 pages based on 3 pages per job (letter/A4 single-sided page). The number of pages may be affected due to a variety of factors, including by not limited to media type and media size.