I recently saw a post in this forum from a guy in New Zealand who said he got his genuine Canon carts from Japan - at a big saving. Requests by me and others about where he gets them have got no response.
Either he is genuine, and they are not coded, or he is a deceiver.
When I had a HP DJ90, I got inks from the USA sent to me here in Oz and they worked well. I think that the inks will work anywhere for the wide format machines.