PDF/X is a subset of the Adobe Portable Document Format (PDF) specification designed for the blind exchange of final print-ready documents. PDF/X-1a restricts the content in a PDF document to that which is needed for high-quality print production output and creates PDF file integrity by embedding fonts and images in the file. This eliminates the most common mistakes made in file preparation, including fonts not being embedded, incorrect color spaces, missing images, and overprint/trap issues.
The PDF/X-1a standard establishes the following criteria:
By adhering to these standards, you ensure that your print-ready files will reproduce as you intended. You'll also save time and money because you won't have to correct files that were not properly prepared for printing.
For more information please visit the links below:
This is a privately managed site that provides information about PDFX technologies.
Information about Color Management in PDF/X-3 files
Information about CS2 and PDFX creation