Brother HL 3070CW - Manual (Page 105)

Control Panel
95
3
Settings Reset
3
This operation will reset all the machine settings back to the settings that were set at the factory:
a
Disconnect the network cable from the printer; otherwise the network settings (such as IP address) will
not be reset.
b
Press + or - to choose Reset Menu. Press OK.
Select ab or OK
h
Reset Menu
c
Press + and Cancel at the same time.
Reset Printer
d
Press OK after the following message appears.
Settings Reset
e
Press OK again.
Reset Printer?
f
The printer will restart automatically.