Brother DCP-J552DW Service Manual page 234

(3) Press the [*], [2], [8], [6], and [4] keys on the LCD in this order. The machine displays the
following screen on the LCD and enters the maintenance mode.
(4) To select one of the maintenance mode functions shown on the following page, use the
numerical keys to directly input the maintenance mode you want to use.
Note • Pressing the [9] key twice in the initial stage of the maintenance mode switches the
machine to standby.
• Pressing the [Stop] key or the [X] key after entering only one digit returns the machine to
the initial stage of the maintenance mode.
• If an invalid maintenance code is entered, the machine returns to the initial stage of the
maintenance mode.
■ Rubber key panel model
<Operating Procedure>
(1) When the machine is on standby, press the [Menu] and [Mono Start] buttons in order. Next,
press the [ ] button 4 times. The LCD will display "■■ MAINTENANCE ■■■", and the
machine will enter maintenance mode.
(2) To select one of the maintenance mode functions, use the numerical keys to directly input the
maintenance mode you want to use.
Note • Pressing the [9] button twice in the initial stage of the maintenance mode switches the
machine to standby.
• Pressing the [Stop] button after entering only one digit returns the machine to the initial
stage of the maintenance mode.
• If an invalid maintenance code is entered, the machine returns to the initial stage of the
maintenance mode.
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