Welcome to the Lexmark C-543DN product page. Here you can find information and pricing for your Lexmark C540H1KG Genuine Lexmark High-Yield Toner Cartridge. Easy online ordering of your C540H1MG Genuine Lexmark High-Yield Toner Cartridge, C540H1KG, C540H1CG, C540X75G, C540H1YG, 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.