Brother MFC-5890CN - Manual (Page 101)

Control panel setup
91
6
Signal
6
This field displays the current wireless network signal strength; Strong, Medium, Weak or None.
a Press Menu.
b
Press a or b to choose Network.
Press OK.
c Press a or b to choose WLAN.
Press OK.
d Press a or b to choose WLAN Status.
Press OK.
e Press a or b to choose Signal.
Press OK.
f The current wireless network signal strength will be displayed; Strong, Medium, Weak or None.
g Press Stop/Exit.
For Touchscreen models
6
a
Press MENU.
b
Press Network.
c Press WLAN.
d Press a or b to display WLAN Status and then press WLAN Status.
e
The current wireless network signal strength will be displayed; Strong, Medium, Weak or None.
f
Press Stop/Exit.