Welcome to the Lexmark X-750 product page. Here you can find information and pricing for your Lexmark 10B042K Genuine Lexmark High-Yield Toner Cartridge. Easy online ordering of your 10B041C Genuine Lexmark Toner Cartridge, 10B041M, 10B041K, 10B042Y, 10B042M, 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.