Canon's registration system is terrible. There are no numbers on my printer that qualify as serial numbers, according to their standard, so I just made one up. This printer is only about a year old. I use it very little, maybe print one page once or ...
I've had this printer for exactly 10 months and rarely print, but it had been working great the little I used it during this time. I think I've loaded paper into it twice.Now, whenever I try to print, the "ERROR" indicator comes on. I can then press ...
Sounds to me like you were not in contact with a Canon representative. If you saw this taking place, why not just stop him? All you'd have to do is disconnect from the Internet. This whole story sounds suspicious.