How to Determine Total Ink Coverage in Photoshop
Top 10 Designer Mistakes (And How to Avoid Them).
1. Click on the Info Palette (F8), then click the upper right arrow to change Palette Options:
2. Change Second Color Readout Mode to “Total Ink” and click OK:
3. Now when you move the cursor over your image, the Σ value will change, which corresponds to total ink. You do not want total ink to ever be more than 300%. Note than in the example below, the Magenta and Yellow values are too high, therefore the total ink value exceeds the 300% limit:
