Check Lcd Operation (Function Code: 12) - Brother DCP-7080 Service Manual

1.3.6 Check LCD operation (function code: 12)

<Function>
This function is used to check that the LCD on the control panel is operating normally.
<Operating Procedure>
For models without keypad
(1) Press the [▲] or [▼] key in the initial
state of maintenance mode to display
"MAINTENANCE 12" on the LCD, and
press the [OK] key.
(2) Each press of the [Start] key cycles
through the LCD display as shown in the
figure below.
(3) When the [Stop] key is pressed, the
machine returns to the initial state of
maintenance mode, regardless of the
display status.

LCD
<Monochrome LCD models>
For models with backlight
(DCP-7080/7080D/7180DN/
L2540DN/L2540DW/L2541DW,
MFC-7380/7480D/7880DN)
<Display 1>
<Display 2>
<Display 3>
<Display 4>
For models with keypad
(1) Press the [1], and then the [2] key in the
initial state of maintenance mode.
(2) Each press of the [#] or [Start] key
cycles through the LCD display as
shown in the figure below. Also,
pressing the [ ] key returns the display
to the previous state. Pressing the [#]
key at the last display returns the display
to Display 1.
(3) When the [X] or [Stop] key is pressed,
the machine returns to the initial state of
maintenance mode, regardless of the
display status.
For models without backlight
(DCP-L2500D/L2520D/L2520DW,
MFC-L2680W/L2700D/L2701D/L2700DN/
L2700DW/L2701DW/L2703DW/L2705DW)
<Display 1>
<Display 2>
<Display 3>
Fig. 5-4
5-12
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