Genuine Oki Toner Black B4200. Yield on this product is - 2,500 pages. Yield is based on industry standard coverage of 5% for black and 15% for colour. Different page yields will be achieved with different coverage rates. This product comes with OKI's 100% full product guarantee.
B4100; B4300; B4200; B4250; B4350; B4250N