Brother MFC-7220 - Operation Check of LCD (Function Mode 12)

8-13 Confidential
8.4.6 Operation Check of LCD (Function code 12)
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 Function
This function allows you to check whether the LCD on the control panel works normally.
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 Operating Procedure
(1) Press the 1 and 2 keys in this order in the initial stage of the maintenance mode.
The LCD shows the screen given at figure below.
(2) Press the Start key. Each time you press the Start key, the LCD cycles through the
displays shown at figure below.
(3) Press the Stop/Exit key in any process of the above display cycle. The machine beeps
for one second and returns to the initial stage of the maintenance mode.