A few lines of text = a thesis nowadays? :really:

NB folks: There are a final SIX LINES of text below that I'll end this topic with. I know, I'm a horrible person...

For those interested, the...

Indeed, I know where the problem is now. I decided to reset the printer to default settings and try installing it on a virgin install of W10 Pro.
Turns out, the problem wasn't with Windows/registry...

Being a wireless proponent is all well and good, but that's not germane to the OP.
I'm well aware of the pros and cons of wireless tech, and I may use it with this printer or not. My printer is...

I tried the usual "fixes", such as uninstalling/reinstalling the USB controllers/device drivers.
In desperation, I tried a repair install of W10 Pro.

The printer in question is a brand new...

I do. I have never had DisplayFusion and I'm using a single monitor and this issue is driving me bonkers.

It seems to hold certain apps that were opened in recent history in a TSR type mode, and...