Adobe ACROBAT 3D Manual page 662

Verifying an Adobe PDF file against PDF/X criteria
PDF/X files can be created in a variety of ways, such as by using Acrobat Distiller. If you
open a PDF/X file created by Distiller or another application and start Preflight, the Verify
PDF/X icon
verify that the file is PDF/X-compatible. This icon includes a question mark (?). The PDF/
X version used to create the file and the color settings file associated with the file appear
next to the icon.
You can verify a PDF file against PDF/X-3 or PDF/X-1a criteria before running a
preflight inspection.
To verify a PDF file against PDF/X criteria:
1. In the Preflight dialog box, click the Verify PDF/X icon
the PDF file complies with the PDF/X standard used to create it. A green checkmark
appears in the PDF/X icon if the verification succeeds. A red checkmark appears in the
PDF/X icon if the verification fails.
2. After verification, view the results in the Results list, or click Report to see the results.
at the bottom left of the Preflight dialog box indicates that you need to
. Preflight reports whether