Operational Check Of Lcd (Function Code 12) - Brother DCP-L8400CDN Service Manual

1.3.6

Operational check of LCD (Function code 12)

<Function>
This function is used to check that the LCD on the control panel is operating normally.
<Operating procedure>
(1) Press the 1 and 2 keys in this order in the initial state of the maintenance mode.
A completely blank screen is displayed on the LCD.
(2) Each time you press the # key, the LCD cycles through the displays as shown below.
When you press the * key, the display on the LCD returns to the preceding one. When you
press the # key with Display 7 shown on the LCD, Display 1 appears.
(3) When the X key is pressed, the machine returns to the initial state of the maintenance
mode, regardless of the display status.
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Display on LCD
Display 1
Display 2
Display 3
Display 4
Display 5
Display 6
Display 7
Fig. 5-4
5-14
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