The Samsung CLP-680 laser toner from LD Products is a professionally remanufactured laser toner cartridge that is Guaranteed to meet or exceed the print quality of the OEM CLT-K506L, CLT-C506L, CLT-M506L and CLT-Y506L toner cartridge. Our Samsung CLP-680 remanufactured laser toner has new internal parts including OPC drums and wiper blades. Purchasing our Samsung CLP-680 laser toner is an excellent way to save money without sacrificing quality. Our Samsung CLP-680 laser toner cartridge has a '100% Satisfaction Guarantee'. The use of our remanufactured laser toner for the Samsung CLP-680 does not void your printer's warranty.