Would someone please provide me with step-by-step instructions on how to add registration marks to my artwork in Adobe Photoshop CS3?? I print to an Epson Stylus Photo 1400. The help feature in CS3 says to choose file>print, then choose "output" from the pop up menu. I get as far as print and can't seem to find the word output or anything similar. It's suppose to have the option for "registration mark", once I have chosen "output". Please help me locate this "output"