Job Definition Format

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Job Definition Format

An XML-based file and message format for PDF print jobs. The job definition format (JDF) file, which is linked to the PDF file, describes the job's press requirements such as quantity, paper type and finishing. The Job Messaging Format (JMF) provides commands for communicating with devices in the PDF workflow; for example, to start and stop machines, transfer error messages and so on.

CIP3, CIP4, PPF and PJTF
JDF was developed by Adobe and printing press manufacturers Heidelberg, Agfa and MAN Roland in 1999. It was turned over to the International Cooperation for the Integration of Processes in Prepress, Press and Postpress Organization in 2000, which at the time was named CIP3. In 2001, CIP4 was formed to manage the JDF specification with roadmaps for converting job tickets in CIP3's previous Print Production Format (PPF) and Adobe's previous Portable Job Ticket Format (PJTF) into JDF. See PDF.
References in periodicals archive ?
Heidelberger Druckmaschinen is one CIP4 member has also made use of PrintTalk to enable their web-to-print solutions.
CIP4 has developed this update to complement JDF 1.5, but PrintTalk is also backward-compatible.
CIP4 brings together vendors, consultants, and end-users in the print communications, graphic arts industry, and associated sectors, covering a variety of equipment, software, peripherals, and processes.
The first "summit meeting" of the Business Networking Group will be held in Spa, Belgium, during the week of March 10th in conjunction with CIP4's Interoperability Forum and working group meetings hosted by GamSys GmbH.
Coding in XML "was actually a smarter way of doing it," says Darling, whose firm chairs CIP4's asset-transfer committee.
As CIP3 grew into CIP4, more companies joined the organization, the potential for XML (developed from the established Standard Generalized Markup Language) was further realized, and preflighting came into use for the widely adopted Portable Document Format (PDF).
By creating a common language, CIP4 aims to guarantee that systems from different vendors used in different departments and businesses will communicate, thereby streamlining workflows across processes and enterprises while ensuring that jobs are produced accurately and completely and meet specified, attainable quality levels.
A better place to start for a prospective user of a JDF-enabled workflow is "Process Automation in Printing & Publishing," a 22-page booklet written for the layman by CIP4 Executive Director James E.
Those sponsors are among CIP4's more than 250 members.
(Also in May, CIP4 released a JDF refinement that overhauls the preflighting description and includes a minimum standard for JDF certification testing.
NGP says the documents do not compete with the original CIP4 committee's work on defining JDF.
In addition, since all our partners are CIP4 members, we can provide direct feedback and real-world integration experience to the CIP4 working groups, who are focused on creating the actual JDF specification."