Hi fnglover,
Uninstalling and reinstalling the network port and printer driver should resolve this issue. To perform the uninstall, please follow these steps:
1. Put the PIXMA MG6620's CDROM in the CDROM drive. If the welcome screen appears, exit it.
2. Click on Start and then All Apps.
3. Click on Windows System.
4. Click on RUN.
5. Click Browse.
6. Double click the CANON_IJ CDROM.
7. Double click the folder named WIN.
8. Double click the folder named Driver.
9. Double click the folder named DrvSetup.
10. Double click the file named DELDRV. If you are using the 64 bit version of Windows 10, please double click DELDRV64. In the Run box click OK.
11. Click Execute to start uninstall and Yes to completely uninstall the drivers.
12. Once finished, click on Start and then All Apps.
13. Click on Windows System.
14. Click on RUN.
15. Click Browse.
16. Double click the CANON_IJ CDROM.
17. Double click the folder named WIN.
18. Double click the folder named Driver.
19. Double click the folder named LAN.
20. Double click the file named CNMNPU.exe
21. In the Run box click OK and then Yes on the Delete BJNP Port window.
22. The uninstaller will prompt you to restart the computer, please click Yes to restart the computer.
To install the unit for use over your network wirelessly, please follow these steps:
1. On your PIXMA MG6620, press the HOME button.
2. Swipe the LCD screen and tap WLAN.
3. Select Wireless LAN Setup.
4. Select Standard Setup and press OK.
5. Select your Access Point and press OK.
6. Enter your Passphrase and follow the prompts to connect your PIXMA MG6620 to your network.
Next, please download the latest driver available from Canon's website:
1. Visit Canon's website at: http://usa.canon.com/support
2. Type PIXMA MG6620 in the "Enter a Model Name" box and click the Get Drivers & Downloads button.
3. Under Recommended Downloads, please click the "Select" button next to the MG6600 series Full Driver & Software Package.
4. If you agree, please select the checkbox next to "I have read and agree to the terms of the Disclaimer and wish to continue with the download".
5. Click the Download button.
6. When the Save As box comes up, click Save.
7. Once the download is complete, open your Downloads folder.
8. Double click [win-mg6600-1_0-ucd.exe]. Files will extract.
Follow the prompts and the installation will complete.
Once installed, you should be able to scan and print wirelessly.
If you continue to have difficulties, please contact our support group using the following link:
http://www.usa.canon.com/cusa/consumer/standard_display/contact_us_consumer
