Aztech 1 Pack Replaces Samsung CLT-K406S Toner Cartridge (Black ,1 Pack) Page Yield: 1,500 pages per cartridge at 5% coverage (Letter/A4) HIGH VALUE FOR MONEY. A high-value replacement toner of Samsung CLT-K406S, priced74%lessthanthe original toner cartridges, Cost per Page is as low as0.01. UNBEATABLE BANG FOR THE BUCK! Under the condition of not violating Amazon's guarantee clauses, Aztech provides LIFETIME 100% guarantee and Free-replacement warranty on any Aztech products. Please contact us if you have any product issues. Our professional technical support team will take care of your problems within 24 hours. Compatible with Samsung Printers: CLP-360/366/366W/365/365W/368, CLX-3300/3305/3305W/3305FW/3306/3306W/3306FN, Xpress C460W/C410W