Welcome to the Gestetner DSC-435 product page. Here you can find information and pricing for your Gestetner 888342 (Type R1) Genuine Gestetner Toner Cartridge. Easy online ordering of your 888340 (Type R1) Premium Compatible Gestetner Toner Cartridge, GES888341, GES888343, GES888340, 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.