Welcome to the Lexmark T-640D product page. Here you can find information and pricing for your keyword. Easy online ordering of your 64015HA Genuine Lexmark High-Yield Toner Cartridge 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. Find more deals on Lexmark toner here at Tonerprice.com!