ISO INTERNATIONAL STANDARD 19302 First edition 2018-12 Graphic technology Colour conformity of printing workflows Reference number IS0 19302:2018(E) Tso @IS02018 IS0 19302:2018(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2018 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either IsO at the address below or Iso's member body in the country of the requester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Fax: +41 22 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2018 - All rights reserved IS0 19302:2018(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. 2 Normative references 3 Terms and definitions 4 Printing workflow requirements .3 4.1 Job colour definition. .3 4.1.1 General. .3 4.1.2 Digital file creation. 4 4.1.3 Graphic content ..4 4.1.4 Spot colour and device colour build 4 4.2 Process colour reproduction. 4.2.1 Colour management. .5 4.2.2 Prepress. ..6 4.2.3 Process control .6 4.3 Product colour conformity .7 4.3.1 General. ..7 4.3.2 Print control .7 4.3.3 Colour control. 7 5 Printing workflow standards requirements ..8 5.1 Job colour definition ..8 5.1.1 Digital file creation ..8 5.1.2 Validation print production .8 5.1.3 Proofing. ..8 5.2 Process colour reproduction. 5.2.1 Colour management. ..8 5.2.2 Prepress.. .9 5.2.3 Prepress for commercial printing 9 5.2.4 Prepress for packaging printing. .9 5.2.5 Process control. .9 5.3 Product colour conformity 5.3.1 Print control .9 5.3.2 Colour control. 10 5.4 Measurement conditions. .10 5.4.1 General .10 5.4.2 Measurement conditions for commercial printing ..11 5.4.3 Measurement conditions for packaging printing .11 5.5 Viewing and illumination. .11 5.6 Sampling. 11 6 Scoring schema. ..12 7 Reporting. ..12 Annex A (informative) Colour control ..13 Annex B (informative) Information exchange ..14 Annex C (informative) Typical scoring schemas ..15 Bibliography ..17 @ IS0 2018 - All rights reserved ii