Brother MFC 7840W - Manual (Page 78)

Wireless configuration for Macintosh ® using the Brother installer application
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i Read the Important Notice. Check the box after you confirm the wireless setting is enabled, and then
click Next.
j You need to temporarily change your computer’s wireless settings. Follow the on-screen instructions.
Make sure you take notes on all the settings such as SSID or channel of your computer. You will need
them to return your computer back to its original wireless settings, and then click Next.
Item Record the current wireless computer settings
Communication mode:
(Infrastructure / Ad-hoc)
Channel:
(1-14)
Network name:
(SSID / ESSID)
Authentication method:
(Open system / Shared key / WPA/WPA2-PSK / LEAP)
Encryption mode:
(None / WEP / TKIP / AES/ CKIP)
Encryption key: