How to Print K as RGB with CMYK PDF

How to Print K as RGB with CMYK PDF

Problem/Question
How to print K as RGB when using a CMYK PDF?

Solution/Work-Around
This is only possible when using the Legacy PDF interpreter.

How to use "Legacy" PDF Interpreter>
  1. "Options" menu at JobComposer
  2. "Application Defaults"
  3. "PDF interpreter"
  4. Select "Legacy"
  5. Click <OK>
Treat K as RGB:
  1. Select the file in the JobComposer
  2. Image Properties "Color Management PostScript\PDF"
  3. Select "Advance" tab
  4. Check option "Treat K as RGB"
  5. Click <OK>