Welcome to the Okidata B-4250 product page. Here you can find information and pricing for your Okidata 42103001 Genuine Okidata Toner Cartridge. Easy online ordering of your 42102801 Genuine Okidata Drum unit, 42102901, can be completed from this page. Tonerprice.com backs all of our cartridges with our exclusive warranty. As always, we provide free ground shipping on orders over $75 within the contiguous United States from 5 warehouses nationwide.