Laser Tek Services &reg; 4 Pack Toner Refill for the HP Color LaserJet CP1215 CP1515 CP1518ni CB540A CB541A CB542A CB543A Kit comes with 4 Bottles, 4 reset chips, Easy Instructions, Funnel Cap, Latex Gloves if needed, and reset Chips 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!!!