This page last changed on May 08, 2008 by johannaf.

Profiling for CMYKcm

When profiling for 6 colors follow the instructions described in the Step by Step.

Here are some other things to consider:

  • Use Advanced Ink Restrictions for controlling light/med inks.
  • Print the "Ink Restriction Swatch" with all light inks at 0% to determine your dark ink limits.
  • Then set your light and med inks to 80% of the dark ink value as a starting point. You may need to go lower to 30-50 depending on how your media holds ink. Reprint the "Ink Restrictions Verification Swatch" to review your final settings.
  • Careful evaluation of the test swatch "Ink Restriction Verification Swatch" will help to ensure that you use as much of the light inks as possible while still ensuring that the ink is controlled to prevent bleeding, puddling, or other artifacts that detract from the intended output result.

When profiling with light inks such as CMYKcm, CMYKcmyk, or ink configurations that include medium inks as part of the mult-level ink configuration you must pay careful attention to how the light and/or medium ink restrictions are set. 

Note: Remember that the ONLY control for the maximum amount of ink used for these levels is the ink restriction setting. 

Using light & medium level ink is valueable because it can improve the apparent resolution of images in the light and light-midtone color regions.  Light inks do not improve the gamut, but they do make the image appear smoother.  A light ink dot will appear smaller to the eye than a dark ink dot of the same size.  With this in mind, to get the best quality using light ink you should pay careful attention to the ink restrictions for these inks.  

See Advanced Ink Restrictions for more information on setting light ink restrictions.

  • You may also need to use transition controls to blend the light/med/dark ink if the density of these inks is not proportionally balanced. If you see a sudden shift in the gradient consider a transition control value of 4 to 8 to smooth out the transition.  

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Document generated by Confluence on Nov 19, 2008 16:34