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Job Definition Format (JDF)
Included with every new RTI Harlequin RIP-Kit

Job Definition Format or JDF is an XML-based file format that is becoming the industry standard for the definition of electronic job tickets in prepress workflows.

JDF's purpose is to facilitate the exchange of information between pre-press printing applications, press, post-press and management information systems. It allows users to bridge the communication gap between print production services and management information systems.

JDF Enabler allows JDF job tickets to be passed through the workflow. These files can move through the workflow from creation to preflight, prepress and production. The Harlequin JDF Enabler is an excellent addition for Imposition-led workflows. With JDF customers can quickly and easily setup a JDF-based workflow to accept JDF files from most major prepress Imposition packages, and allow JDF files created from those packages to determine how the RIP processes the constituent page files. The JDF Enabler has been successfully tested with JDF/JMF files or communication to/from:

• Dynagram Dynastrip
• Kodak (formerly Creo) Preps
• oneVision speedflow Impose
• DALiM MisTRAL and PRinTEMPo
• Agfa Delano
• Agfa Apogee X
• Lithotechnics Metrix
• Esko-Graphics Plato
• Mitsubishi Paper Mills Facilis

JDF allows a designer to attach a ticket to a job which outlines the processes required for that job and how it should be handled. This ticket remains with the job and is carried through the whole workflow until the job is completed. The advantages of JDF are:

• A job ticket format for the whole workflow.
• A “true” standard which can be implemented by anyone.
• Built using XML with its widely available toolsets, easy connectivity and integration properties.
• Central monitoring.
• Easy identification of the causes of waste, workflow bottlenecks, spare capacity, job status and material requirements.
• Links to the supply chain, accounting, and strategic planning.

The JDF Enabler is fully compliant with the JDF standard, and can therefore converse directly with JDF Controllers supplied by other vendors. As required by the specification, the JDF Enabler can receive JDF jobs in two ways; via a hot folder, into which JDF files are delivered, or via a JMF (Job Messaging Format) submission. Because the route through which a JDF job arrives makes very little difference to how it is processed, these two methods of input are combined to form a JDF Input Channel. The JDF Enabler supports multiple channels, allowing jobs coming from different sources to be processed in different ways.

The Harlequin RIP v.7.1 was the first product to be officially JDF certified by CIP4 following testing by the Printing Industries of America. The Harlequin JDF Enabler can accept JDF files requesting the following processes:

Interpreting
Imposition
Trapping
Colorspace Conversion (Color Management)
Rendering
• Separation
Contone Calibration
• Screening
Imagesetting - either directly by the RIP or by a node on a different device for TIFF shooter workflows

Call (941) 925-1303 or email sales@rti-rips.com for more information.