I have never seen any segregation of inks based on country of use. European paper manufacturers sell paper in the US. They provide ICC profiles for printers and never differentiate. I believe there is nothing to be concerned about.
The only issue you may run into, is that ink sold in other countries is coded differently from ink sold in the United States. If you move or bought your printer from the United States and purchase ink in Europe, the ink may not be detected correctly.
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Thank you Arthur, indeed!
My focus bore on unknown to us European and regional health and environmental legislation that governs chemical formulations and other potentially polluting products like inks, etc. So, obviously, Canon must be aware and ... ultimately compliant. So my question is whether their US ink formulations are universally compliant or ... not, in every case. Same applies to Epson, HP, etc, of course.
And then, as you said, there are the color codes. So there are a number of answers that remain shrouded in mystery for the user community.
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