PDF Standard
PDF Standard (PDF/X-1a)
PDF Standard (PDF/X-1a)
PDF version is newer than 1.3
PDF/X entry is not “PDF/X-1a:2001”
PDF/X conformance level entry not PDF/X-1a:2001
The PDF/X-1a or PDF/X-3 entry in the document information must contain a correct value for identification of the respective PDF/X standard
The PDF format version number in the PDF file header is greater than 1.3.
PDF/X version key missing
Document title empty/missing
Compressed object streams used
RGB, or Lab was used or Source Profiles have been tagged to objects (also listed under ICC profile)
OutputIntent for PDF/X missing
PDF/X version key (GTS_PDFXVersion) missing
Trapped key not true or false
Transparency used
Layers used
To fix these errors, please ensure that the PDF Standard is set to PDF/X-1a:2001 when you export from InDesign:
