epson stylus pro 3800

Hi all, I have a long background in offset, 4-color printing dating back to the old photostat days. I'm now trying to print very small runs on an Stylus Pro R3000 I got a few months back and having a hard time. I want to print reproductions of my paintings on some type of textured...

This is a simple question that I am having difficulty getting answered. Is there a difference between the ICC and ICM file extensions? The ICC website says no, but Adobe Photoshop support says yes. I switched to using my Epson Stylus Pro 3800 printer to a Mac and I'm having difficulty getting...