P.S. yes, the printer is 'old.' My user's manual & Network Setup Troubleshooting pamphlet are both c. 2008

Sorry to do them this favor; but feel like I've already erased a week of my life at their expense. Not enough hours nor days left in my life to continue this struggle. Other things have priority. I...

I have tried following your detailed instructions repeatedly, without success. And, as OldMike suggested, phoned Canon Tech Service.
I give up. I appreciate you who have tried to help. Thanks...

I phoned Canon Tech Support; but they couldn't/wouldn't help. Thanks for your encouragement.

The driver(s?) did come from Canon; but they don't offer a driver for Windows 10. So I tried Windows 8.1 driver as I saw suggested. I will call Canon. Thanks again, Mike! wayne

This is where I got the driver:

md64-win-mp620-1_04-ej.exe

Will it not produce a proper Canon driver?

I believe that is what I have tried, more than once. Don't know where I've gone wrong. But now I can print from any of my 3 computers, with one connected to the printer by USB cable, even though...

I have tried to download 8.1 drivers & run in Compatibility Mode. But still can't get the printer to find our TP-LINK network. Help please! How can I see if I have the correct driver?