There is a flag that indicates that the PDF file is a PDF/X file and which also details what type of PDF/X file it is.In May 2000, PDF/X was first put to use when Time Inc. processed a Bayer ad that was delivered as a PDF/X-1 file. In the meantime, other organisations have also started getting involved in the definition of PDF/X standards.PDF/X-1a is now an official ISO standard: ISO 15930-1.PDF/X-1a:2001 – such a file has to be a PDF 1.3 file. PDF/X-1a:2003 – such a file has to be a PDF 1.4 file but it should not contain any transparency and JBIG2 compression should not be used to compress images.īoth flavors share all of the restrictions that apply to PDF/X-1a.The 2003 version simply came along because some newer software applications no longer supported the older PDF 1.3 file format. Which other PDF/X flavors exist?īelow are all the PDF/X flavors that are either actively used in the market or may become popular in the future.To print black&white, CMYK or spot color jobs.Files may contain RGB/LAB/… colors in which case the user’s color management system needs to convert these to CMYK.This standard was developed in Germany and Switzerland.
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