Welcome to the Lanier LD-630C product page. Here you can find information and pricing for your Lanier 841423 Genuine Lanier Toner Cartridge. Easy online ordering of your 841421 Type MPC3501 Premium Compatible Lanier Toner Cartridge, LAN841422, LAN841421, LAN841420CVP, LAN841420, 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.