Brother MFC-5890CN - Manual (Page 71)

Wireless Configuration for Macintosh ® using the Brother installer application (Not available for MFC-5490CN and MFC-5890CN)
61
5
i
Temporarily connect the Brother wireless device to your access point using a network cable and click
Next.
j
Choose the machine you wish to configure, and click Next. If the list is blank, check if the access point
and the machine are powered on, and then click Refresh.
Note
The default Node name is “BRNxxxxxxxxxxxx”.