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Curious if you all still have this same issue when printer is not connected to wifi (router is off). In a similar thread for the MG7520, when wifi is unavailable, the printer boots up and behaves as expected. Which would seemingly point to a firmware...

Also fitzkake, I found that my printer boots up as expected and prints if it is not connected to wifi/ router turned off. I'm betting similar for you.

Whoa. Yes, same 5150.My MG7520 is set up to do network printing over wifi. If I have router on/ wifi connected, printer shuts down as discussed above.If I turn off wifi/ router, printer boots up normally. I used the 'copy' function on the printer, an...

Same. Yeah, and I can't find anyone else with this exact problem prior to today.

Heads up fitzkake - there are several other people that have seemingly had the same or very similar issue, and it occurred for all of us starting today. That thread is here: https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/MG7520-will-not-s...