OEM Code: 42103003 *OKI* Brand: OKI Duty Cycle: Approx. 2,500 pages at 5% coverage Includes Of: 1 x OKI Genuine 42103003 BLACK Toner Cartridge (2.5K) OKI 42103003 is compatible with: OKI B4100 OKI B4200 OKI B4250 OKI B4300 OKI B4350