Thanks for your responses!
Unfortunately I can't give out our IP addresses or other information of that type online. I'm sorry if that makes my questions harder to answer!
I should specify again--I need the desktop (connected by ethernet) and using a network I'll call C3) to be a part of the...
This is for a business where we have multiple computers, laptops, printers, and networks.
We have an HP Color LaserJet M252dw printer. It was connected to a wireless network which I'll call A1. All devices that wanted to connect to the printer used wireless network A1.
I was able to get a...