If you have previously configured the wireless settings of the machine, you must reset the network LAN settings before you can configure the wireless settings again. (For DCP-373CW, DCP-375CW, DCP-377CW, MFC-253CW, MFC-255CW and MFC-257CW) Press Menu,  or  to choose Network, press OK. Press or to choose Network Reset, press OK. Press 1 or to reset and then press 1 or to accept the change. The machine will restart automatically. (For DCP-593CW, DCP-595CW, DCP-597CW and MFC-495CW) Press Menu, or to choose Network, press OK. Press or to choose Network Reset, press OK. Press 1 or + to reset and then press 1 or + to accept the change. The machine will restart automatically. (For MFC-795CW) Press MENU, or to display Network, press Network. Press Network Reset, and choose Yes to reset and then press Yes for 2 seconds to confirm. The machine will restart automatically. | 
IMPORTANT