Adjusting The Light Intensity Of The Backlight - Brother MFC640CW Service Manual

Adjusting the light intensity of the backlight:

(1) MFC640CW
Press the 1 and 2 keys in this order
in the initial stage of the maintenance
mode.
DCP340CW
Enter 1 and 2 in the initial stage of
the maintenance mode by using the
and Set keys.*
(2) MFC640CW
To increase the intensity, press the
key; to decrease it, press the
DCP340CW
Enter or by using the
keys.*
NOTE: The light intensity can be
adjusted to five levels.
(3) Press the Black Start (Mono Start)
key.
(4) No key operation for one minute returns the machine to the initial stage of the maintenance
mode.
(*To enter a numerical code on models having no numerical keypad, press the
the numerical code to be entered and then press the Set key. Repeat this operation for each numerical code.)
key.
and Set
Black Start (Mono Start)
8 - 1 6
/
5
/
4
/
3
/
2
/
1
key several times to display
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