Choose compatible T2840 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 T2840 cartridges does not void the printer warranty. LD toner cartridges are not manufactured or remanufactured by Toshiba. All Toshiba T2840 toner options are backed by a 100% Quality Satisfaction Guarantee. There's nothing to lose!