Compatible Black Okidata Toner Cartridge 52114501 (18,000 Page Yield) for Okidata B6200, Okidata B6200dn, Okidata B6200n, Okidata B6250dn Alternative to OEM, comes with ONE YEAR WARRANTY from the date of purchase against manufacturer defects. Page Yield: 18000 pages at 5% coverage on Letter/A4 paper. This replacement Toner cartridge is built to ISO9001 and ISO14001 Factory Standards. Compatible with OKI 6200 6300