To begin, you must rule out specific situations if you want to resolve 'Brother mfc-l2700dw offline.' To elaborate, you should ensure that the power wire is securely attached to the socket and is not dangling. This is critical, since this scenario will trigger the printer to enter standby mode. Secondly, you must verify that the brother printer is network-connected. DPC2 should be connected to the same network as DPC1, which is sending orders to the Brother printer.