Bob,
There is nothing to "modify". All you have to do take Epson cartridges out and put Cone's in.
If you want to save a few dollars of ink you can use some flushing carts to clear the old ink out.
Then you print... the results are superior, you can save a bundle by buying inks in bulk. There's simply no reason not to... unless you have to switch back and forth between color printing and b&w.
Lenny
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