Preflight can only be used after you have configured the file upload target to be AWS S3
Print Science Preflight can analyze PDF files to detect serious problems that could cause poor quality printing results. Once you know that the file contains problematic elements, you can then take action to fix the problems before sending the file to press.
The most common problems that Print Science Preflight will detect are:
There are 2 ways to launch Preflight Analysis of PDF files. The Preflight Analysis is identical regardless of how the process is launched:
For some problems, wp2print can fix the file for you automatically. See Fixing problem files.
The video below illustrates launching preflight analysis and the results you might receive: