{"id":15313,"date":"2021-05-19T00:00:00","date_gmt":"2021-05-19T00:00:00","guid":{"rendered":"https:\/\/www.domtar.com\/blog-posts\/solutions-dimpression-prevenir-la-marbrure-de-lencre\/"},"modified":"2024-12-17T21:05:23","modified_gmt":"2024-12-17T21:05:23","slug":"solutions-dimpression-prevenir-la-marbrure-de-lencre","status":"publish","type":"blog-posts","link":"https:\/\/www.domtar.com\/fr\/blog-posts\/solutions-dimpression-prevenir-la-marbrure-de-lencre\/","title":{"rendered":"Solutions d’impression : Pr\u00e9venir la marbrure de l’encre"},"content":{"rendered":"

Chez Domtar, nous recevons d’innombrables questions sur la production d’imprim\u00e9s et sur la fa\u00e7on dont nous pouvons faire en sorte que nos promotions en papier non couch\u00e9 Cougar\u00ae<\/sup> et Lynx\u00ae<\/sup> Opaque Ultra soient impeccables. La bonne nouvelle, c’est que nous nous engageons \u00e0 imprimer sans artifice : tous les r\u00e9sultats que nous obtenons peuvent \u00eatre reproduits en utilisant l’un de nos papiers non couch\u00e9s de haute qualit\u00e9 et un \u00e9quipement d’impression conventionnel. Gr\u00e2ce \u00e0 nos conseils d’initi\u00e9s, vous pouvez vous aussi obtenir une belle reproduction des couleurs et des d\u00e9tails.<\/p>\n\n

Comment \u00e9viter la marbrure de l’encre avec les grands aplats bleus ?<\/h2>\n

Je re\u00e7ois r\u00e9guli\u00e8rement des questions sur la pr\u00e9vention de la marbrure de l’encre. Vous imprimez un travail avec de grandes zones de couverture importante dans les bleus ou les violets. Le reste du travail est superbe, mais les tons bleus sont marbr\u00e9s et stri\u00e9s. Ce probl\u00e8me peut-il \u00eatre r\u00e9solu au niveau de la presse ?<\/p>\n

La marbrure d’impression sur les papiers non couch\u00e9s peut \u00eatre caus\u00e9e par le back trapping – lorsque l’encre d\u00e9pos\u00e9e dans les deux premiers groupes d’impression est tir\u00e9e de mani\u00e8re in\u00e9gale de la feuille d\u00e9j\u00e0 imprim\u00e9e par les blanchets des groupes suivants. Le cyan peut poser des probl\u00e8mes de marbrure de l’encre ; envisagez de modifier la rotation de l’encre afin de r\u00e9duire, voire d’\u00e9liminer, la marbrure de l’encre. <\/strong>La plupart des presses sont r\u00e9gl\u00e9es avec une rotation d’encre standard de KCMY. En pla\u00e7ant le cyan dans la derni\u00e8re unit\u00e9 de la rotation, vous obtiendrez une couche d’encre beaucoup plus lisse.<\/p>\n

L’image ci-dessous a \u00e9t\u00e9 imprim\u00e9e sur une presse qui disposait d’unit\u00e9s d’encre suppl\u00e9mentaires qui n’\u00e9taient pas utilis\u00e9es. Laissant le deuxi\u00e8me groupe ouvert, l’imprimeur a d\u00e9plac\u00e9 la cyan vers le cinqui\u00e8me groupe sans toucher aux autres encres, ce qui a permis d’am\u00e9liorer consid\u00e9rablement l’uniformit\u00e9. C’est un excellent moyen de r\u00e9soudre un probl\u00e8me sans sacrifier la qualit\u00e9 d’impression.<\/p>\n\n\n

\"KCMY_Exemple_Ink_Mottle\"

L’image de gauche montre une rotation d’encre \u00ab\u00a0standard\u00a0\u00bb (K, C, M, Y), tandis que l’image de droite montre une rotation d’encre \u00ab\u00a0modifi\u00e9e\u00a0\u00bb (K, ouvert, M, Y, C).<\/p><\/div>\n\n\n

Pour recevoir davantage de solutions d’impression, de tendances dans l’industrie de l’impression et d’inspiration en mati\u00e8re de conception graphique, abonnez-vous \u00e0 notre magazine <\/em>\n magazine Paper Matters<\/em>\n<\/a>.<\/p>\n\n","protected":false},"excerpt":{"rendered":"

Chez Domtar, nous recevons d’innombrables questions sur la production d’imprim\u00e9s et sur la fa\u00e7on dont nous pouvons faire en sorte que nos promotions en papier non couch\u00e9 Cougar\u00ae et Lynx\u00ae Opaque Ultra soient impeccables. La bonne nouvelle, c’est que nous nous engageons \u00e0 imprimer sans artifice : tous les r\u00e9sultats que nous obtenons peuvent \u00eatre …<\/p>\n","protected":false},"author":1,"featured_media":11688,"parent":0,"template":"","meta":{"_acf_changed":false,"_genesis_block_theme_hide_title":false,"footnotes":""},"categories":[491],"tags":[493,638,396],"class_list":["post-15313","blog-posts","type-blog-posts","status-publish","has-post-thumbnail","hentry","category-conseils-et-bonnes-pratiques","tag-conseils-et-bonnes-pratiques-en-matiere-dimpression","tag-cougar-fr-2","tag-lynx-fr","post","with-featured-image"],"acf":[],"yoast_head":"\nSolutions d'impression : Pr\u00e9venir la marbrure de l'encre - Domtar<\/title>\n<meta name=\"description\" content=\"Vous imprimez un travail avec de grandes zones de forte couverture et les tons bleus semblent tachet\u00e9s et stri\u00e9s. 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