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PSD is “Process Standard Digital Printing” by the Fogra as PSO stands for for “Process Standard Offset”.
Process Standard Digital Printing certified companies operate mainly in the field of small-scale or large-format digital printing. The certification is valid for two years and then must be re-certified.
PSO stands for “ProcessStandard Offset Printing”, a standard that was developed by Fogra and the German Printing and Media Industry together. The ProcessStandard Offset Printing is a set of standards for offset printing. With test equipment and control by measurments as described in the PSO, the printing process of the data delivery and data preparation on the platemaking is monitored, controlled and checked.
PSR stands for “Process Standard Rotogravure”, a standard provided by Fogra, ECI and the German Printing and Media Industries Federation (bvdm).
The Process Standard Rotogravure is a standard developed for gravure printing.