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CIP4 Tutorial – Issues in Digital Printing

CIP4 Tutorial – Issues in Digital Printing. Sunday, October 7, 2007 Foster City. Steve Hiebert Software Architect Indigo Digital Press Division Hewlett-Packard Company Alternate Chair, Digital Printing WG Chair, Capabilities WG Chair, Product Description WG.

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CIP4 Tutorial – Issues in Digital Printing

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  1. CIP4 Tutorial – Issues in Digital Printing Sunday, October 7, 2007 Foster City

  2. Steve Hiebert Software Architect Indigo Digital Press Division Hewlett-Packard Company Alternate Chair, Digital Printing WG Chair, Capabilities WG Chair, Product Description WG Issues in Digital PrintingPresenter

  3. Compatibility Workflow Prepress Press Post Press Issues in Digital PrintingOverview

  4. Digital printing systems are diverse in terms of integrated capability DP Vendors offer equipment with varied levels of integrated prepress, press, and post press capability Commercial Digital Printing (CDP) ICS Issues in Digital PrintingCompatibility (1 of 2)

  5. Commercial Digital Printing (CDP)ICS Work in Progress Comprises Layout Creation Service Layout Creation to RIP ICS RIP Service Raster Digital Printing Service Digital Finishing? Will provide conformance options for such devices of varying capability Issues in Digital PrintingCompatibility (2 of 2)

  6. Workflow Digital printing workflow, in general, has no established “convention” as does CTP/offset CTP and offset printing are often referred to as “conventional printing” within CIP4 No intermediate plates Greater opportunity for maximizing automation of the prepress and print production processes It’s all data until colorants are applied Issues in Digital PrintingWorkflow

  7. ColorSpaceConversion Imposition RIP VDP Photo Issues in Digital PrintingPrepress (1 of 5)

  8. ColorSpaceConversion More likely to specify ColorSpaceModel than ICC profiles The dfe/press typically has pre-installed output profiles specific to press setup Issues in Digital PrintingPrepress (2 of 5)

  9. Imposition Smaller sheets Less concern about waste E.g., A4 two-up on A3 Usually on a simple grid, step-and-repeat Z as well as X,Y – business cards, cut and stack Data driven dynmic sheet marks (e.g. OMR, device ctrl barcodes, etc.) Integrety checks Spoilage recovery Issues in Digital PrintingPrepress (3 of 5)

  10. RIP RIP intensive, especially with VDP Real-time RIP Often multiple RIPs to keep up with the press Issues in Digital PrintingPrepress (4 of 5)

  11. VDP Static – no variation Versioned – coarse grained variation, e.g., regional issues Personalized – fine grained variation, e.g., marketing collateral Photo – every page is different Issues in Digital PrintingPrepress (5 of 5)

  12. Reduced setup Very little “planned waste” Makes short runs profitable On press collation Produces documents, not sheets Multiple media Reduced clean-up – not as messy Ink-jet Electro-Photography Dry toner (EP) Liquid toner (LEP) Issues in Digital PrintingPress

  13. Postpress Need quick setup to maintain profitability VDP Usually means marks, e.g., barcodes May need to marry covers from one press-run with bodies from another Color vs. black&white Issues in Digital PrintingPost Press

  14. Issues in Digital Printing Comments? Questions?

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