Brother MFC990CW Service Manual page 369

(4) Press the Stop/Exit key in any process of the above display cycle. The machine returns to
the initial stage of the maintenance mode.
Specifying the LCD type (only for models with a 3.3-/4.2-inch color LCD unit)
If the LCD unit or main PCB has been replaced, specify the LCD type using the procedure
below.
(1) Press the 1 and 2 keys in this order in the initial stage of the maintenance mode. (For
models without numerical keypad, enter 1 and 2 in this order using the
keys.)
(2) Press the key (Scan key for models without
The LCD shows the screen given below.
(3) Press the 3 key. (For models without numerical keypad, press the Color Start key.)
The LCD shows "LCD TYPE SET." (For models without numerical keypad, the LCD
shows "LCD TYPE SET 0.")
(4) If 1 (enclosed by a square ) is printed at the location shown below, press the 1 key; if not,
press the 0 key. (For models without numerical keypad, press the Color Start key to switch
between "LCD TYPE SET 0" and "LCD TYPE SET 1" and then press the OK key.)
(5) Press the Stop/Exit key to return to the initial stage of the maintenance mode.
(6) Press the 9 key twice to exit from the maintenance mode and switch to standby. (For
models without numerical keypad, enter 9 twice using the
The new setting goes into effect.
(7) Enter the maintenance mode again referring to
(8) Perform the operational check of the LCD on the previous page.
LCD flat cable
key on the control panel).
Section 9.1.1.
LCD unit
9-17
,
, and OK keys.)
Confidential
and OK