You can use your machine's control panel to reset the print server to its default factory settings. This resets all information, such as the password and IP address.
DCP-T520W/DCP-T525W/DCP-T720DW/DCP-T725DW/DCP-T820DW/DCP-T825DW
Press Menu.
Press or to select the following: Select [Initial Setup]. Press OK.
Select [Reset]. Press OK.
Select [Network Reset]. Press OK.
Press for [Reset] to confirm. Press for [Yes] to reboot the machine. The machine restarts.
MFC-T920DW/MFC-T925DW
Press Settings.
Press or to make your selections: Select [Network]. Press OK.
Select [Network Reset]. Press OK.
Press for two seconds to confirm. The machine restarts.