1 - Artwork should be sent 100% black and white. (The Black will be the ink when printed)
2 - Verify your artwork is set at the actual size you want it printed.
3 - Set Your Page Size the SAME size as the Film Positive you are ordering.
4 - Make sure your .pdf file has a resolution of at least 300dpi, allthough 600dpi is preferred.
5 - All text layers should be rasterized or converted to outlines.
6 - Multi-color images should have each color on a separate page