The issue has been identified in other posts as a DNS issue. WIFI and Ethernet connections cause the issue. By shutting your router down or telling the router to stop processing the printer's MAC address, the printer will power up and you can use the...
There is another post that has the solution as I had the same issue.See:https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/Pixma-MG7520-turns-on-but-shuts-off-before-I-can-access-menu/m-p/373869 Not perfect but the work around does work. Cano...
