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ICC-based CMYK black vector objects converted to knockout under certain circumstances


Product

  Prinergy Connect 2.1

Platform

 

Operating system

 


Error

 

None.


Symptoms

 

Black text or vector objects that used to overprint are now knocking out.


Cause

  For black objects that are defined as ICC-based CMYK, if both "Set Colors to Knockout" and "Set Black to Overprint" are enabled then the black overprinting objects will be converted to a knockout. This is true for the Creo ColorMatcher. For the Heidelberg CM, the OP is retained but the objects color is converted to 4-color black.

Solution

 

Refine twice: the first time enable only "Set Colors to Knockout"; the second time enable only "Set Black to Overprint".

Permanent fix:


See also

 


Keywords

 

color, Creo PDF ColorMatcher


Technical contact(s)
 

Ken Lew

Submitted by
 

Ken Lew

Date submitted
 

07 Jan 2005


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