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 ?
An increased number of Nilpeter customers are now ordering the CIP3 pre-setting with new offset combination presses.
CIP3 integration, press-accurate proofs, and full automation were key factors that swayed in the choice of workflow.
As part of the implementation, Fusion Systems worked with Goss engineers to customize and automate creation of CIP3 PPF output to the new Goss GWC-NP ink-keying system.
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).
Keycolor systems combine with Autoset, Autopage, and Autokey software providing presetting from CIP3 Files, setup and adjustment by page number add closed loop with color scanners.
Autoset allows presetting jobs from CIP3 files or low density bit maps.
EXHIBIT: Essex Products Group will display KEYCOLOR remote ink control systems, featuring KEYCOLOR AUTOSET-preset jobs from CIP3 files; KEYCOLOR AUTOKEY to automatically adjust ink keys on web press color control systems or close the loop with scanning densitometers; and KEYCOLOR AUTOPAGE to set and adjust keys by page number.
Of more interest on the commercial side, TPP and Pecom control and networking conform to CIP3 standards for integrating prepress, press, and post-press operations allowing transmission of production information to the press and other CIP3-compliant hardware and software to optimize operations and management information.