About Dot Gain correction screen-shot-2017-11-15-at-11-42-25

Dot gain correction allows for 2 uses:
  • compensate for dot gain curves in the imagesetter or platesetter RIP
  • make visual color adjustment
The dot gain correction curve is saved in the ICC profile.

About Gray Balance correction screen-shot-2017-11-15-at-12-21-54

You can use gray balance correction to visually correct the gray balance of a profile.

How to edit Dot Gain curves and Grey Balance

1.  Open Calibrator
2.  For dot gain correction:  select the profile you wish to edit and click: screen-shot-2017-11-15-at-11-42-25

For Grey correction: select the variant within the profile you wish to edit and click : screen-shot-2017-11-15-at-12-21-54

3.  Select an ink channel and do any of the following:

  • Select the respective curve and drag it to the desired position – (Master will amend all colors)
    and/or
  • Click on a point in the curve and fill in the input and output percentages of this point

Repeat this for each of the ink channels you wish to amend

screen-shot-2017-11-15-at-12-32-12

4. Click Save
5. If necessary, change the name of the printer profile.
You may wish to change the name of the printer profile to indicate that dot gain compensation or gray correction has been used.
You can also Import or Export tonal curves (.tone file).