Welcome to the Toshiba DP-3580 product page. Here you can find information and pricing for your Toshiba T3580 Genuine Toshiba Toner Cartridge. Easy online ordering of your T3580 Premium Compatible Toner Cartridge, T3580, 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.