New reference print conditions for the 21st century

New Reference Print Conditions for the 21st Century

Dan Reid, RPimaging, INC

© Copyright 2016 RPimaging, INC - All rights reserved

Techkon makes innovative and high quality products for print color control. Our growing portfolio includes densitometers, spectrophotometers, plate readers, closed-loop print control and enterprise software designed for use in the pressroom.

Techkon products are chosen for their high accuracy, reliability and ease of operation.

Sponsor -


Idealliance (International Digital Enterprise Alliance) is a not-for-profit membership organization that has been a leader in information technology and publishing since 1966.

Idealliance advances core technology to develop standards and best practices to enhance efficiency and speed information across the end-to-end digital media supply chain - creation, production, management, and delivery of knowledge-based multimedia content - digitally and in print.

www.idealliance.org

www.gracol.org

Sponsor -

http://www.idealliance.org

http://www.gracol.org


• Idealliance G7 Certified Expert - Since 2006 - • Work with clients in commercial,

publication, packaging, and grand format

• Help companies achieve: • ISO print standards

• Brand print specifications

• Expanded color gamut print workflows

• Print workflow automation and management

• Quality control program

Presenter, Dan Reid

[email protected] (866) RGB-CMYK

mailto:[email protected]?subject=


• Brief overview of printing evolution

• Good ‘ol SWOP

• Compare color gamuts of CRPC1 - CRPC7

• Address how to use CRPC with legacy color files

• GRACoL 2013 and SWOP 2013

• Where to find CRPC ICC profiles and data sets

• Adjust data sets to your papers

• Questions and Answer

Agenda


• Dramatic changes in mechanics of printing

• Increase of printing technologies

• Printing medias have evolved based on trends

• Color Measurement technology has improved

• Several software options for implementing a process control plan

• Improved metrics for communicating a color match

Printing has evolved


• In commercial printing there is no longer film being produced to create plates. ComputerToPlate (CTP) and DirectToPress (DTP) have long been in place

• Proliferation of digital presses

• Grand Format printing

Printing Technology


• Trend in papers towards bluer by using optical brightening agents (OBA) • Decade ago press stock had little OBA

• Todays printing papers can have quite a lot of OBA present

• Difficult to quantify with typical color measurement devices

Printing Substrates


• Standards available to guide on achieving better and more predictable color (ISO)

• Mature software to guide adjustment to achieve predictable color

• Improvements in measurement technology

• Improvements in daylight simulator lighting

Technology


Legacy Reference Print Conditions


• ISO 12647-3 Coldest Newsprint

• Original data set TR 002-2007

• Updated ICC profiles for lower TAC and higher GCR in 2009

• Download 2009 ICC profiles: • http://www.snapquality.com/

Specifications for Newsprint Advertising Production

http://www.snapquality.com/


• Most frequent updates to the specifications

• Well known GRACoL2006_Coated1v2 ICC profile was the first reference based on G7 method

• Latest reference, GRACoL2013_CRPC6, reflects currently available #1 press stock and new ISO standards

General Requirements for Applications in Commercial Offset Lithography


• Many versions SWOP ICC profiles found • Some built well, others are horrible

• Most famous being U.S. Web Coated (SWOP) v2 ICC profile found in Adobe products

• This profile has been the default CMYK ICC profile since mid 1990s

Specifications for Web Offset Printing


• Legend has it Thomas Knoll created this profile with his own software back in the 90s

• Based on CGATS TR-001-1995 dataset

• Film (TVI) is higher than current CTP or DTP • 20 - 22% film dot gain

• 12 - 15% CTP and DTP dot gain

U.S. Web Coated (SWOP) v2


• Separating for film?

• Is the job really running on web printing press?

• Can’t you achieve better color than SWOP?

SWOPU.S. Web Coated (SWOP) v2


• CGATS TR 001-1995

• Offset Litho - SWOP (Publication)

• CGATS TR 002-2007

• SNAP - Newsprint

• CGATS TR 003-2007

• SWOP - Grade 3, coated publication paper

• CGATS TR 005-2007

• SWOP - Grade 5, coated publication paper

• CGATS TR 006-2007

• GRACoL 2006

Well not really….

Just print to SWOP…..


• ISO 12647 provides guidance for different print processes • Part 1: Measurement methods

• Part 2: Offset Litho

• Part 3: Cold Offset Litho on newsprint

• Part 4: Publication gravure printing

• Part 5: Screen printing

• Part 6: Flexo printing

• Part 7: Proofing processes working directly from digital data

• Part 8: Validation print processes working directly from digital data

Just print to SWOP…..


• ISO 12647 is active and has regular updates • ISO 12647-1:2013 - Measurements

• ISO 12647-2:2013 - Commercial - offset litho

• ISO 12647-3:2013 - Newsprint - cold offset litho

• ISO 12647-4:2014 - Publication - gravure

• ISO 12647-5:2015 - Screen printing

• ISO 12647-6:2012 - Flexo printing

• ISO 12647-7:2013 - Proofing

• ISO 12647-8:2012 - Validation

ISO 12647 - Process control for the production of half-tone color separations, proof and production prints


• ISO 12647 gives us guidance on process control for each printing industry

• ISO 12647 does not provide data sets or ICC references to use for use in separation or proofing

• ISO 15339-2 is a set of reference print conditions that are based on measurement data (characterization data)

Targets versus References


• Printing from digital data across multiple technologies • Part 1: Principles

• Part 2: Characterized reference printing conditions, CRPC1 - CRPC7

• Based upon ISO 12647! • Process control aims to create characterization data sets used in CRPC

http://www.idealliance.org/downloads/isopas-15339

ISO/PAS 15339:2015

http://www.idealliance.org/downloads/isopas-15339


• Color Reference Print Conditions • New reference print conditions

• ISO 12647 - Target values for printing

• Based upon G7 print calibration method

• ISO 10128:2009 - near neutral-scales

• M1 measurement conditions

• ISO 13655:2009 - M0, M1, M2, M3

• Explicit instructions available on how to attain the same results published as ISO 15339-1

CRPC1 - CRPC7


• !! If you do not have a M1 measurement you should not be using the CRPC ICC profiles • M1 is needed on press to check

• M1 is needed in the proof verification too!

• M1 is needed to adjust paper white point of CRPC

• Continue using GRACoL 2006 and SWOP 2006 if you do not have a M1 measurement device

• Learn more about M1 measurement conditions: • http://www.idealliance.org/events/color-management-transformed-proofing-

press-matching-brightened-stocks — http://bit.ly/1o6H1lE

• http://www.idealliance.org/sites/default/files/M1%20WF_Paper%20Guidelines%20r16.pdf — http://bit.ly/1XQfWTD

M1 and M0 Measurement Devices

http://www.idealliance.org/events/color-management-transformed-proofing-press-matching-brightened-stocks

http://bit.ly/1o6H1lE

http://www.idealliance.org/sites/default/files/M1%20WF_Paper%20Guidelines%20r16.pdf

http://bit.ly/1XQfWTD


CRPC1 - CRPC7 Cheat SheetAKA Similar To Full Description

CRPC1 ColdSetNews SNAP 2009 Typical ColdsetNews - Small gamut printing (newsprint)

CRPC2 HeatsetNews Typical HeatsetNews Moderate gamut printing on improved newsprint type paper

CRPC3 GRACoL 2013, uncoated PremUncoated Typical PremUncoated Utility printing on a matt uncoated type paper

CRPC4 SuperCal BetaSupercal Typical SuperCal General printing on super-calendared paper

CRPC5 SWOP 2013, coated SWOP 2006, #3 paper Typical PubCoated Typical publication printing

CRPC6 GRACoL 2013, coated GRACoL 2006, #1 paper Typical PremCoated Large gamut (typically commercial) printing

CRPC7 Extra Large Typical Extra Large Extra-large gamut printing processes


http://standards.iso.org/iso/15339/-2

Download CRPC Data Sets

http://www.npes.org/programs/standardsworkroom/toolsbestpractices/characterizationdatasets.aspx

http://bit.ly/1X9rZNw

http://standards.iso.org/iso/15339/-2

http://www.npes.org/programs/standardsworkroom/toolsbestpractices/characterizationdatasets.aspx

http://bit.ly/1X9rZNw


http://www.color.org/registry/index.xalter

Download CRPC ICC Profiles

International Color Consortium

http://www.color.org/registry/index.xalter


Color Gamuts of CRPC1 - CRPC7

• CRPC1 - SNAP

• CRPC2 • CRPC3 - GRACoL Uncoated

• CRPC4 • CRPC5 - SWOP 2013 - #3

• CRPC6 - GRACOL 2013 - #1

• CRPC7


Color Gamuts of CRPC1 - CRPC7

• CRPC1 • CRPC2 • CRPC3 - GRACoL Uncoated

• CRPC4 • CRPC5 • CRPC6 • CRPC7


Color Gamuts of CRPC3 vs CRPC6

• CRPC1 • CRPC2 • CRPC3 - GRACoL Uncoated

• CRPC4 • CRPC5 • CRPC6 - GRACOL 2013 -#1

• CRPC7


Color Gamuts of CRPC5 vs USWebCoated v2

• CRPC1 • CRPC2 • CRPC3

• CRPC4 • CRPC5 - SWOP 2013 - #3 • CRPC6

• CRPC7 • U.S. WebCoated

(SWOP) v2 - TR001


Color Gamuts of CRPC6 vs USWebCoated v2


• CRPC4 • CRPC5 • CRPC6 - GRACOL 2013 - #1


(SWOP) v2 - TR001


CRPC6 vs USWebCoated v2


• CRPC4 • CRPC5 • CRPC6 - GRACOL 2013 - #1


(SWOP) v2 - TR001Assigned CRPC6 (What would happen if proofed as input ICC profile)

USWebCoated v2 Ref






(SWOP) v2 - TR001Assigned CRPC5 (What would happen if proofed as input ICC profile)

USWebCoated v2 Ref






(SWOP) v2 - TR001Converted to CRPC5 (Conversion to CRPC5 from USWebCoated v2)

USWebCoated v2 Ref


• If assigning a new source CRPC ICC profile isn’t acceptable, you will have to convert • Standard ICC conversion

• Device Link ICC profiles

• Several options available for creating device link ICC profiles

• A handful of workflow tools support device link ICC profiles (DL)

• Some RIPs also support DL ICC profiles too

Converting legacy color


• CRPC6

• M1 measurement data

• Primaries shift minutely, imperceptible from GRACoL 2006

• Paper white is bluer (L*A*B*) • GRACoL 2006 — 95*, 0*, -2*

• GRACoL 2013 — 95*, 1*, -4*

What about GRACoL 2013?

GRACoL 2006 GRACoL 2013


•Caveats • Must have a M1 compliant measurement device in the

press room and in proofing

• Must have ISO 3664:2009 compliant lighting to inspect press sheets and proofs

What about GRACoL 2013?


• ISO 3664:2009 Lighting Requirements • It’s not just lamps that need replacing

• Usually the clear lens between the lamps and the print needs replacing too

ISO 3664:2009 — Lighting


• ISO 3664:2009 Lighting Requirements • Verify, check compliant

• Don’t assume!

ISO 3664:2009 - Validation


M1 Measurements

*Simulated graphics, for illustration


M1 Measurements



M1 Measurements



M1 Measurements



Load CRPC data into SpectroDens


• Use a CRPC reference data set as source

• Measure in M1 mode your press stock

• Adapt CRPC data to measured press stock color, substrate-corrected colorimetric aims (SCCA) • http://www.idealliance.org/downloads/substrate-relativity-calculator-

kit-20120606 — http://bit.ly/1VxqGWN

• http://www.npes.org/Portals/0/standards/docs/CGATS%2021%20Computational%20Spreadsheet.xls — http://bit.ly/1XhMxmW

Adapt CRPC reference to press stock

http://www.idealliance.org/downloads/substrate-relativity-calculator-kit-20120606

http://bit.ly/1VxqGWN

http://www.npes.org/Portals/0/standards/docs/CGATS%2021%20Computational%20Spreadsheet.xls

http://bit.ly/1XhMxmW


SCCA Spreadsheet

Current Substrate

New Substrate


What about CRPC7?




What about CRPC7?



Durst RHO, 13oz Vinyl


What about CRPC7?



OCE Arizona, 22oz Vinyl


• XCMYK Expanded-Gamut CMYK Beta Program • Goal is to provide a reference achievable using standard

inks with FM screening running at higher ink densities

• Litho and Digital

• Final results will be based upon submissions

• More info about this project: http://www.idealliance.org/content/xcmyk-expanded-gamut-cmyk-beta-program — http://bit.ly/1UvmC7h

Emerging print specifications

http://www.idealliance.org/content/xcmyk-expanded-gamut-cmyk-beta-program

http://bit.ly/1UvmC7h


• CRPC data sets and ICC profiles are freely available

• Only use CRPC if you have a M1 measurement device in at your press and proofing • Stick to GRACoL2006 and SWOP2006 if you have M0 devices

• You can probably switch from USWebCoated to the 2006 profiles. Proof to confirm.

• Verify your lighting is ISO 3664:2009 compliant by measurement • Don’t assume replacing lamps makes you compliant

Recap


• Verify conformance to ISO and brand specifications

• Improve color fidelity while reducing production cost

• Color consistency and repeatability

• Efficiently process jobs

• Expanded color gamut characterization and workflow

Need Help?

N

Contact us for FREE Color Audit

[email protected] | www.RPimaging.com (866) RGB-CMYK


http://www.rpimaging.com


Questions? Use the chat box to post your questions

Thank You!

[email protected] (866) RGB-CMYK


New Reference Print Conditions for the 21st Century

Dan Reid, RPimaging, INC

Business

New reference print conditions for the 21st century