How do I set the printer IP address using the control panel on the HL-3450CN?
Press the Set button, then press the + button until NETWORK is displayed and press Set. Press the + button until IP ADDRESS= is displayed, press Set, and then enter your IP address using the + and - buttons, pressing Set to move to the next digit. Press the Go button when complete to return the printer to its READY state. (Page 2)
From the official Brother HL-3450CN Color Laser Printer manual, page 2
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