Approximate yield of 100,000 pages. Fuses toner to paper for consistent print output. Designed for high-volume printing environments. Periodic replacement required to maintain print quality and device performance. Compatible with HL-L8430CDW, HL-L8430CDWT, HL-L8570CDW, MFC-L8730CDW, MFC-L8930CDW, and MFC-L8970CDW models.