Choose compatible MP C2551 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 MP C2551 cartridges does not void the printer warranty. LD toner cartridges are not manufactured or remanufactured by Ricoh. Original Ricoh brand cartridges are also available for those who prefer sticking to the name brand. There's nothing to lose!