Laser Tek Services &reg; 4 Pack Toner Refill with chips for Okidata C9600 C9800 Type C7 42918904 42918903 42918902 42918901 Kit comes with 4 Bottles, 4 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!!!