Operational Check Of Lcd (Function Code 12) - Brother DCP-7030 Service Manual

1.4.7 Operational Check of LCD (Function code 12)

<Function>
This function allows you to check whether the LCD on the control panel works normally.
<Operating Procedure>
(1) MFC7840W/7840N/7450/7440N/7340/7320
Press in order the 1 and 2 buttons in the initial stage of the maintenance mode.
DCP7045N/7040/7030
Press the
OK button.
The LCD shows.
(2) Press the Start button. Each time you press the Start button, the LCD cycles through the
displays shown below.
(3) Press the Stop/Exit button in any process of the above display cycle. The machine beeps
for one second and returns to the initial stage of the maintenance mode.
or button. "MAINTENANCE 12" appears on the LCD, and then press the
Start button
Start button
Start button
Fig. 5-4
5-13
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