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Certification in digital printing (Fogra PSD)

Standardization and certification in digital printing according to ISO 15311

Process standard in digital printing (Fogra PSD)

Almost everything that does not correspond to conventional printing technologies (offset, gravure, etc.) is called digital printing. The result can be a print from HP-Indigo, NexPress, Igen, etc. – but the print can also come from an LFP-Print or a colour copier.

So we’re talking about completely different technologies. That’s why digital printing has been chosen to create a completely new and distinct family of ISO standards: The ISO 15311.

As a Fogra partner, we offer all companies the opportunity to be certified according to the Process Standard Digital Printing [Fogra PSD]. With this certificate, printing and media companies document their quality capability to the outside world and ensure smooth production to the inside, which helps to avoid complaints.

Certification according to ISO 15311
General requirements

(a) Instrument technology: hand-held colorimeter (spectral photometer) and drift detection device (of the measuring instrument)
b) Software: PDF- and EPS-based color transformation, data checking (preflight) with PDF/X-Ready check profiles, Ugra/Fogra media wedge CMYK V2 / V.3
c) Light condition: ISO 3664 compliant sample condition (proof of IPM light audit conformity protocol/certificate)

Phase one:
Examinations in advance:
IPM Evaluation Test Suite

OBA (Optical Brightening Agents) is the abbreviation for optical brightener.

Before the actual certification and testing begins, the so-called Evaluation Test Suite is sent to the customer in advance. With the help of these test pages, it is possible to estimate in advance the quality level at which the respective machine is working.

Phase 2:
On-site inspections:
IPM Certification Test Suite

During the certification phase, the areas of output process control, color fidelity and workflow are analyzed and evaluated in comprehensive test scenarios and associated evaluations. During the certification process, potential sources of error can be identified and process improvements can be worked out.

As in offset printing, the entire system combination in digital printing is analyzed and evaluated for its strengths and weaknesses according to defined test criteria and parameters.

This includes first and foremost:

– the granularity, especially of the black printing ink
– the stability of the conditions
– the reproducible colour gamut (Ga-mut)
– the gloss of the unprinted areas (if not finished)
– the colour of the unprinted areas
– the shining through of a backside print image or the underlay
– The test for the process standard digital printing – ISO 15311 covers the following points.
Measured by the degree of colour conformity for different customer requirements, the PSD offers the possibility of achieving three different quality levels (“A”, “B” or “C”):

“A” – commercial products e.g. offset printing on PT1+2, PT4

“B” – commercial-like products e.g. posters, banners

“C” – Advertising printed matter Supplements e.g. construction site signs

Request comprehensive information on the Process Standard Digital Printing (PSD) now!

Which criteria are checked?

– Picture quality
– edge sharpness
– bleeding
– line thickness
– colour accuracy
– Register/Passer
– effective addressability
– grain
– homogeneity
– streak
– fading
– repeatability
– Mechanical Ghosting
– attrition
– adhesion
– show through
– tonal breaks