Pixma G7020 Failed to open a connection with the device-21345 scanner with BigSur OS 11.5.2

adelkhodeir205 — Mon, 16 Aug 2021 12:20:57 GMT

I tried to connect to the G7020 wifi scanner with Canon IJ scan utility lite, but no response, and a message came.

Failed to open a connection with the device-21345

I checked many solutions with no benefit.

The printer is working wirelessly well and it's working with Windows 10, android and IOS

What to do to solve this problem?

Regards

Adel

Re: Pixma G7020 Failed to open a connection with the device-21345 scanner with BigSur OS 11.5.2

Patrick — Tue, 12 Oct 2021 19:32:39 GMT

Hi adelkhodeir205,

Please follow these steps to resolve this issue:

1. Please press the wrench and screwdriver button 1 time

2. Use the right arrow to select Device Settings and press OK

3. Use the right arrow to select LAN settings and press OK

4. Select Wi-Fi and press OK

5. Use the right arrow to select Manual setup and press OK

6. Use the right arrow to select TCP/IP settings and press OK

7. Use the right arrow to select IPv6 and press OK

8. Press OK on the displayed message

9. Press OK on Enable/disable IPv6

10. Use the right arrow to select Disable and press OK