How to find or set printer IP address for wireless?

[joe at actionline.com]

Recently, I submitted this question:
> How to find or set printer IP address for wireless?
>
> I just got a Brother HL2270-DW laser printer and I cannot figure out how
> to get it installed as a wireless printer on my network.
>
> After much searching on the 'net, I found this:
> http://welcome.solutions.brother.com/bsc/public_s/id/linux/en/faq_prn.html#f00104

[snipped]

> select the number of destination Device URI. ->
>
> But now what?  None of the 13 numbered options seem applicable,
> and I have no idea how to find or set a specific IP address.
>
> So where do I go from here?

Still can't figure out how to find or set the IP address for the printer:

Please view these exhibits:
http://upquick.com/temp/find.printer.ip.jpg
http://upquick.com/temp/printer.settings.jpg