Regions like "Americas", "Western Europe", etc often have far more variance within them than is worth accounting for in a printer ink formulation. I can travel

Regions like "Americas", "Western Europe", etc often have far more variance within them than is worth accounting for in a printer ink formulation. I can travel within just the state of California and have more humidity variance than could possibly justify region locked printer ink. It's for price localization - sell at what the market will bear, and different regions have different price points.