Operational Check Of Lcd (Maintenance Mode 12) - Brother DCP-J4110DW Service Manual

1.3.7 Operational Check of LCD (Maintenance mode 12)

< Function >
This function checks whether the LCD on the control panel works normally.
< Operating Procedure >
(1) Press the 1 and 2 keys in this order in the initial stage of the maintenance mode.
(2) Each time you press the # or
Pressing the * or
When Screen 13 displays, pressing the # or
(3) Press the X key in any process of the screen cycle to return the machine to the initial stage
of the maintenance mode.
Screen 1
Completely blank
Screen 2
All black
Screen 3
All gray
Screen 4
All red
Screen 5
All green
Screen 6
All blue
Screen 7
White stepwise
key, the LCD cycles through the screens as shown below
key goes back to the immediately preceding screen.
5-19
key switches to Screen 1.
Screen 8
Red stepwise
Screen 9
Green stepwise
Screen 10
Blue stepwise
Screen 11
Stroke detection
Screen 12
All gray
Screen 13
Image data
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