Welcome to the Lexmark T-640 product page. Here you can find information and pricing for your Lexmark 64435XA Premium Compatible High-Yield Toner Cartridge 32000 Page-Yield. Easy online ordering of your 64004HA Genuine Lexmark High-Yield Toner for Labels, 64015HA, 64015HACMICR, 64015SA, 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.