After latest Windows 10 update, MG3520 either won't scan or won't scan multi-page. Error codes 2, 157, 50 or 2, 157, 201. Scanner worked fine previously.
The recommended solution to turn off security software did not work. The only thing that works every time is hitting the reset button on the A.T.&T. modem/router. Either the A.T.&T. modem/router or the Canon software has some sort of cache that has ...
