Laser Tek Services &reg; 2 Pack Black Toner Refill Kit with reset chip for the Dell 1600 1600N 310-5417 310-5416 X5015 Kit comes with 2 Bottles, 2 reset chips, Easy Instructions, Funnel Cap, Latex Gloves if needed, and a Toner Cloth Wipe Ships Directly from our warehouse within 1 business day! Each Bottle is good for at least the same page yield as a new cartridge, usually a bit more. Great phone support with Laser Tek Services, not usually needed, but if you need it we are there for you. Save big each time you refill and GO GREEN!!!