I had a long chat with a Canon Canada service tech today about the U052 error msg. He advised that it is a poorly worded general error msg that has been refined in later printers to be more specific about the error. It can be caused by a verity of is...
An overnight soak of the printhead and a thorough cleaning of the printhead docking station did not fix the problem. I now have only 1 MG5220 printhead but two otherwise fine working printers.
I have two Canon MG5220. One of them suddenly showed the U052 Printhead error msg. I swapped the printhead into my other MG5220 printer and the error moved with the printhead. I swapped the printhead back and the error stayed with the printhead. Next...
