Brother HL-5340D Service Manual page 270

1.3 Setting the serial number
Operation of printer
(LED model)
(1) Check that the front cover is open.
(2) Turn ON the power switch while the [Go] button is held.
(3) After all LEDs on the panel are lit, only the Status LED goes out.
(4) Release the [Go] button and check that all LEDs are out.
(5) Press the [Go] button for a while. Make sure that the Paper LED lights up.
(6) Close the front cover of the printer.
(LCD model)
(1) Check that the front cover is open.
(2) Turn ON the power switch while the [Go] button is held.
(3) The message "USERS MODE" is shown on the LCD panel.
(4) Release the [Go] button.
(5) Press the [Go] button for a while. Make sure that the Data LED lights up.
(6) The message "PIT3 MODE" is shown on the LCD panel.
Close the front cover of the printer.
Operation of computer
(7) Connect the computer to the printer with the USB cable.
(8) Double-click the brmainte.EXE file (maintenance utility) which has been copied in the
"hl5300" folder to start.
(9) Select "Input Information" from Menu. Select the applicable model name.
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