If you are ordering over 1 authentic (or 2 if double sided), You'll have to determine If you prefer your printing collated. Collating refers back to the buy where sheets are sequenced. Black or grayscale will immediately change the color of your artwork even when the submitted file is made https://print-flyer13467.buyoutblog.com/27011472/a-simple-key-for-flyer-printing-unveiled