Overprint Verification

Overprint Verification

Global Graphics ( has released a simple-to-use, free-of-charge overprint control strip for checking that proofs and prints made from files transmitted as PDF/X have rendered correctly. Full information is available on the company’s web site at:

The Ghent PDF Workgroup thanks Global Graphics for making this test suite available to the graphic arts community via the GWG web site, as well.

The Ghent PDF Workgroup recommends that you use this overprint control strip; most Ghent PDF Workgroup specifications are based on the PDF/X standards which means you can use the Global Graphics control strip to verify overprint is handled correctly whenever you view, proof or print files.

Depending on where you are in the workflow and how your workflow is setup, you can add the control strip to your files in your design application or to an existing PDF file.

To add the control strip using: