Find out in this article,
- which requirements must be met to carry out this Fixup and
- how to apply the Fixup.
1. Introduction
The Fixup Convert Spot Colors to CMYK 0/0/0/0 is available in the Workflow. The aim of this Fixup is to convert selected Spot Color to CMYK white and set the overprint status to "Knockout".
2. General
The Fixup Convert Spot Colors to CMYK 0/0/0/0 can be used to convert Spot Colors to CMYK white (0/0/0/0). The areas of the selected Spot Color are created as a white CMYK area, which means that the areas behind it are set to Knockout.
For example, use this Fixup to convert a Print Item in which white areas are colored with the Spot Color "White" to CMYK White (0/0/0/0) so that these "areas" remain white even on a printing system that does not have white printing ink and objects behind them do not show through.
Find the Fixup in the Data Preparation tab of an Article, Order or Production Job by:
- entering the name of the Fixup in the Filter area,
- activating the option Object in the Category area,
- activating the option Change in the Action area,
- activating the option Knockout in the Search area.
3. Introduction
Use this Fixup to convert the selected Spot Color to the CMYK values 0/0/0/0 (white). The overprint status is set to Knockout so that when the "white" object is removed objects behind are not revealed.
3.1. Requirements and Functionality
For the Fixup to do what it promises, the following requirement must be met:
- Spot Colors are used in the file.
Figure 1: The dialog of the Fixup Convert Spot Colors to CMYK 0/0/0/0
Select the following option to convert Spot Colors to CMYK white.
Spot Color Name [1] - select the Spot Colors that should be converted to CMYK values 0/0/0/0 from the drop-down menu. Only those Spot Colors that are in the Print Item can be selected in the selection field.
3.2. Before/After
To experiment with this function, refer to the sample file "Sample_Convert to CMYK_White.pdf". The file shows white flowers. The blossom was created in the Spot Color "White". The Spot Color is now to be converted to CMYK White.
After applying the Fixup, the file "Sample_Convert to CMYK_White_End.pdf" is created. In this file the Spot Color "White" has been converted to CMYK white.
Figure 2: Left: initial file; Right: edited file where the Spot Color was converted to CMYK whit
Article update: Workflow 1.17.2 – 06/2024