How do I create a "high resolution, print ready PDF file?" I normally make a regular PDF, and we have no problem, however, we must send out a file for a local printer to produce. The printer said they could not use our PDF and asked for the high resolution PDF. I changed the options to "High quality lines Shaded/Draft geometr DPI to 600, but that did not increase the file size very much. Can you shed any light on what this printer is requesting?