A CIP3 Ink Presetting Model for Offset Printing Presses

CIP3 ink presetting technology is a widely used method to reduce the time and cost for make ready, and consequently improve production efficiency. It is also a key technology that promotes the integration of prepress, press and postpress. Through the analysis of CIP3 ink presetting technology and its application, this paper builds a calculational method of the ink coverage from 1-bit-tiff image and the relationship between ink coverage and ink key values is alsofitted by Levenberg-Marquardt (LM) algorithm. Based on experiments in actual printing plants, an ink key presetting model is developed and tested. The results show that the model can reduce ink setting time significantly and consequently improve production efficiency.

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Networking at a glance

JDF: Job Definition Format is an interface standard for efficient total workflow integration including the administrative area – from quotation to invoice. 

MIS: A Management Information System is a computer-aided system that provides company-relevant information and controls workflows.

RIP: Raster Image Processor is software that converts PostScript or PDF-based documents into dots to be output onto a printing plate.

JMF: Job Messaging Format records press data online and informs the MIS about progress of a job or whether the press has completed the job or whether it is available for other jobs. 

ERP: Enterprise Resource Planning plans the efficient deployment of capital, equipment and materials, or personnel.