Reason I asked is, I don't have wired to my computer, it's wireless. And without the router set up, I don't think just plugging in the Ethernet cable into the computer then into the printer is going to get the firmware updated.

And unless PayPal decides Newegg is in the wrong and I get to keep this thing Newegg sent me, I can't use it yet. That's why I thought of the extender I did buy and can use.