1. Convert all text to outlines (curves)
2. Export or Save As .ai or .eps or .pdf . Do not use stroke tools and watch for intersecting lines.Raster Images (bit maps, Photoshop, Painter, etc.)
1. Save as .jpeg or .psd or .tif
2. Reduce Dpi Settings to 150 dpi at full size use compression to reduce file size .
3. convert to CMYK color and use SWOP2 profile to maintain color.