Glossary
Glossary
Glossary - Letter J
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(J) JDF (Job Definition Format)
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An XML based file format. JDF is designed to allow an open exchange of data between different machines and applications, from various manufacturers, including pre-press, press and finishing, thus providing a streamlined flow of information from job inception to completion.
(J) JMF (Job Messaging Format)
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The messaging element within JDF.
(J) JPEG (Joint Photographic Experts Group)
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A format for image files.
(J) Job ticket
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Specifies the print job and gives all pre-press requirements, technical information, finishing required and administrative data.
(J) Jumbo reel (or roll)
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The first reel of paper produced after the papermaking process, prior to transfer to a different part of the mill for further coating, processing or finishing.
(J) Just in time printing
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Documents can be stored digitally and then produced at a given time. This type of process allows for only the number of copies needed to be printed.