Choose compatible KX-FAT407 toner cartridges for the best savings around. Purchasing LD compatible toner is an excellent way to save money without sacrificing print quality. The use of LD brand KX-FAT407 cartridges does not void the printer warranty. LD toner cartridges are not manufactured or remanufactured by Panasonic. Original Panasonic brand cartridges are also available for those who prefer sticking to the name brand. All Panasonic KX-FAT407 toner options are backed by a 100% Quality Satisfaction Guarantee. There's nothing to lose!