Since none of them, I am aware of, use Canon ink, I will say there isn't one. It is hard enough to get great prints when using all the right stuff. Adding suspect ink to the equation is not what I want to do.
EB
EOS 1D, EOS 1D MK IIn, EOS 1D MK III, EOS 1Ds MK III, EOS 1D MK IV and EOS 1DX and many lenses.
