Welcome to the Copystar CS-4050 product page. Here you can find information and pricing for your Copystar 1T02GR0CS0 (TK-719) Genuine CopyStar Toner Cartridge. Easy online ordering of your TK719 TK717 Premium Compatible Toner Cartridge, TK-719, 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.