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QuarkXPress mixed RGB/CMYK work flow

 

Who should use this work flow?

Scanners and digital cameras typically deliver color to the computer in RGB (red, green, blue) format. By leaving the color in the images in original RGB format, the images can then be converted on-the-fly by the application software at the time printing is done.

Images previously saved in CMYK format can also be processed in a mixed color work flow because color management also supports CMYK-to-CMYK conversions at print time.

Another advantage of working in mixed color mode is that the images, unharmed by color conversion, can be modified for reproduction on a variety of printing technologies and media at print time. Printing on newsprint, then on gloss offset, then converting images for presentation on the Internet is typical of the way images are managed in production in the modern graphic arts world. Saving original RGB files is the best way to maintain as many options as possible for output.

QuarkXPress has effective (but incomplete) controls for managing color at print time. Though these controls provide effective color management, third-party XTensions (Praxisoft Compass Pro XT, for example) provide more complete control, including control over rendering intent for each image and color specification in an XPress document.

See also QuarkXPress CMYK work flow.

The procedure is as follows:

 

Save photos in Photoshop

Take an image in RGB color from a scanner, digital camera, or other source.

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Save the file in RGB color in TIFF format.

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Place photos into Quark document

Place images into QuarkXPress® document.

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  • Existing CMYK files ready for placement.
  • Saved CMYK files from Photoshop.

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Set Quark color management ON

Turn QuarkXPress® color management ON.

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In the QuarkXPress Color Management System (CMS) dialog:

  • Set Monitor to your monitor profile (optional).
  • Set Composite Printer to HP profile for correct media type.
  • Set Separations Printer profile to Press CMYK (same profile as used to convert RFB to CMYK in Photoshop).
  • Set checkmark to operate on both RGB and CMYK.

 

Set 'Composite simulates Separations printer'

Click on 'Composite simulates Separations printer' in the Print dialog box.

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Set HP color correction OFF for the HP Designjet 10ps or 20ps and print

Set printing parameters.

In the Print tab of the Default Settings dialog:

  • Deselect Perform color correction.
  • Set the appropriate Media type.

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Print

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Set HP color correction OFF for the HP Designjet 50ps and print

Set printing parameters.

In the Print settings tab of the Settings dialog:

  • Set the appropriate Paper type.

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Print

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