New York Toner Laser Toner Drum, 25,000 Pages- Black Brother Compatible DR-520 DR520 Alternative to OEM, comes with ONE YEAR WARRANTY from the date of purchase against manufacturer defects. Page Yield: 25000 pages at 5% coverage on Letter/A4 paper. This replacement Toner cartridge is built to ISO9001 and ISO14001 Factory Standards. Brother DCP-8060, DCP-8065, HL-5240, HL-5250, HL-5280, MFC-8460, MFC-8660, MFC-8670, MFC-8860, MFC-8870