Compatible with part number OKI 45807110. For use in Okidata B432dn B512dn MB492dn MB562dnw. Each Black cartridge has a capacity of 12000 pages at 5% coverage. Do it Wiser Smart Toner Cartridges are guaranteed to work flawlessly, certified by ISO 9001 international quality standard, ISO 14001 environmental management, and free of lead and hazardous materials RoHS Lead Free.