A:Answer HP response to this question is not accurate (in my case). My HP6455e came from the factory with with a 65 Tri-Color Set Up Cartridge, and a 67 Black Set up Cartridge. I have tried replacing the 65 Tri color with a 67 Tri color and it did not recognize the cartridge. i disabled the cartridge security lock, and it still did not recognize the 67 Tri color cartridge. Unfortunately this mismatch of cartridge types (65 & 67) makes ink replacement about 20% more expensive than if the cartridges were the same number (67 & 67), as HP response indicates should be the case for ths model.
