ISO 12647

ISO 12647
Name	ISO 12647
Standard	International standard for process control in the graphic arts
Publish year	Various (1993–present)
Organization	International Organization for Standardization
Status	Published

ISO 12647 is an international family of standards for process control in the graphic arts, defining parameters for print production, color reproduction, and quality assurance. It provides technical specifications and tolerances for halftone printing, offset lithography, gravure, flexography, digital printing, and proofing, ensuring consistency across printers, publishers, brands, and trade organizations. The standard suite is used by print buyers, print manufacturers, inkmakers, and equipment vendors to align workflows among stakeholders such as Agfa-Gevaert, Heidelberg Druckmaschinen AG, Xerox, Canon Inc., and HP Inc..

Overview and Scope

ISO 12647 specifies process control criteria for graphic arts industries including sheetfed offset, web offset, gravure, flexography, screen printing, and digital inkjet, covering substrate selection, ink properties, dot gain, and tonal value increase tolerances. The scope addresses prepress, proofing, pressroom, and finishing operations used by printers, publishers, advertisers, brand owners, and standards bodies such as International Organization for Standardization, European Committee for Standardization, and American National Standards Institute. It links to colorimetric frameworks established by organizations including International Color Consortium members and is relevant to supply chains involving BASF, DIC Corporation, and Siegwerk.

Parts and Standards Structure

The standard is divided into parts, each targeting a specific process or deliverable: process control for halftone color separation, proofing, offset lithographic processes, gravure, flexographic printing, and digital printing workflows. This modular structure mirrors other multipart ISO standards like ISO 9001, ISO 14001, and ISO 26000, and interacts with file format and workflow specifications such as PDF/X, PDF/VT, and JDF. Technical committees and working groups from national bodies including British Standards Institution, Deutsches Institut für Normung, and Association française de normalisation contribute to individual parts.

Technical Requirements and Process Controls

Technical requirements include target tone values, dot gain curves, gray balance, overprint handling, trapping, and optical properties of papers and coatings. Process controls prescribe sampling plans, in-press adjustments, and corrective actions consistent with quality management practices found in Six Sigma, Statistical Process Control, and production methodologies used by firms like Komori Corporation and Manroland Sheetfed. Specifications reference measuring instruments and procedures developed by entities such as X-Rite, Konica Minolta, and Techkon, and align with color science work by researchers at institutions like RIT (Rochester Institute of Technology), MIT Media Lab, and University of the Arts London.

Measurement, Color Management, and Calibration

Measurement protocols in the standard define spectrophotometric targets, colorimetric aims in CIELAB coordinates, and calibration routines for proofing systems, presses, and RIPs. It prescribes use of color profiles and ICC workflows standardized by the International Color Consortium and references color appearance models related to research at CIE (International Commission on Illumination), including CIEDE2000 tolerancing. Calibration and verification processes connect to hardware and software produced by EFI, Global Graphics Software, Adobe Systems, and Pantone LLC for cross-vendor interoperability among prepress houses, creative agencies, and brand color management teams.

Industry Applications and Implementation

ISO 12647 is applied across magazine publishing, packaging, commercial printing, labels, security printing, and book production, impacting multinational corporations such as Walmart, Unilever, Nestlé, and Procter & Gamble that demand consistent brand color reproduction. Implementation involves certification and conformance audits by accreditation bodies like UKAS, ANAB, and national testing laboratories, and is integrated into supplier agreements, color specifications used by design studios, and tendering processes in retail and advertising sectors. Training and certification programs from industry associations including Printing Industries of America, European Printing Ink Association, and World Packaging Organisation support adoption.

History and Revisions

The multipart series originated in the early 1990s as the graphic arts industry sought harmonized process control amid globalization and the rise of desktop publishing and digital workflows. Revisions have responded to technological shifts—phototypesetting to RIPs, analogue proofs to digital contract proofs, and analog presses to high-speed digital presses—leading to iterative updates published by working groups under national standards bodies and the International Organization for Standardization. Influences include colorimetric research by Johannes Itten-era principles, later applied and extended by contemporary practitioners and institutions such as Fogra, IDEAlliance, and CGATS.

Category:International standards Category:Printing Category:Color management