Same issue. Why hasn't Canon been on the ball with this? Please offer a straightforward solution for non-techies, please -- under deadline to print and scan documents for work. Bummer.
I was under deadline to scan a document ASAP for work, only to discover the problem already described: Canon MG7520 shutting off -- can't even access the menu to get to Settings. It appears people have found workarounds, but we are NOT techies, nor ...