PDF export wrong PDF version
We are using InDesign server 18 to export InDesign files to PDF. The last months (since november, when we updated from 17 to 18) we are noticing that we have problems with disappearing transparancy.
After a lot of research we found out that although the joboptions have the settings to export version 1.3, the server exports to version to a PDF 1.4. The PDF standard that is used is PDF X-1a:2003. This seems why transparancy is disappearing. I cannot reproduce this manually with the local version of InDesign I think because there is no possibility to use PDF-x1a:2003 and version 1.4 together in the local version of InDesign.
Because we have to deliver to printing systems we need to deliver as PDF 1.3 because 1.4 most often can't be handled.
We already reinstalled our InDesign server but the problems still appears. Now desperate what to do because it causes lots of mistakes.
Attached you'll find a result PDF from the InDesign server. I cannot upload the joboptions and indesign file but I do have those as an example.
I hope you have a solution soon.
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Lianne de Bruijn commented
Here my InDesign file and joboptions file are allowed. So hereby those files according to this problem.