Welcome to the Ricoh AP-306 product page. Here you can find information and pricing for your Ricoh 400688 Genuine Ricoh Toner Cartridge. Easy online ordering of your 400496 Genuine Ricoh Charger Unit, 400686, 400687, 400497, 400688, 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.