Check Lcd Operation (Function Code 12) - Brother HLL3290CDW 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 with touch panel
(1) Press the [1], and then the [2] in the initial state of maintenance mode. LCD displays
shown as the chart below.
(2) Press the
By pressing the
chart. When you press the
display B-1. Press the
Note:
At <Display A-7>, you cannot switch the display to column B even press the
(3) When you press the [X] or [Stop] at the Display A-7 or B-1 to 7, the machine returns to the
initial state of the maintenance mode.
<Display A-1>
all white
<Display A-2>
all black
<Display A-3>
all gray
<Display A-4>
all red
<Display A-5>
all green
<Display A-6>
all blue
<Display A-7>
picture data
to switch the display column A and display column B.
, LCD moves to the next display of the each column according to the
at the Display B-7 of the each column, LCD returns to
to return to the last LCD display.
Fig. 5-3
5-12
<Display B-1>
bright point/
down point
<Display B-2>
bright point
<Display B-3>
white gradual
<Display B-4>
red gradual
<Display B-5>
green gradual
<Display B-6>
blue gradual
<Display B-7>
Displays BMP file in the Media by rotation
.
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