I haven’t had to check, it’s worked great right out of the box and just prints. I helped a friend with a Kobra Max 1 that wouldn’t level. Turned out to be a damaged ribbon cable and I just trimmed it back and put a new end on it. He got that second hand, and I don’t think he even tried to contact support.

I did preorder mine, and they were not very communicative about shipping times, but everything arrived eventually.