Indesign > Postscript "Printing Error: The Adobe Print Engine has failed ..." caused by placed pdf
[ I found an answer to my issue, I post this in case it helps anyone else. I wasted an hour trying all sorts of stuff, trashing InDesign defaults etc etc before I worked it out. ]
I sometimes "print" to Postscript files from InDesign CS6 on Mac (El Capitan) and distil them to pdfs. Never had a problem with it, but on a recent indd file I got the message "Printing Error: The Adobe Print Engine has failed to output your data due to an unknown problem". It would get to the very end of the document, then this appeared.
I found the problem was a placed image - a single page from a pdf made by someone else (probably in Windows) using MS Word. I opened the pdf in Acrobat, resaved the pdf page as a tiff, and that worked. I managed to isolate the issue by "printing" one layer at a time of the InDesign file to Postscript until I found the offending layer, and could see from the progress bar which page it was failing on.
