5-17
Confidential
5.1.4.7 Operational Check of LCD (Function code 12) (User-accessible)
Function
This function allows you to check whether the LCD works normally.
Operating Procedure
Checking the display state of the LCD
(1) Press the 1 and 2 keys in this order in the initial stage of the maintenance mode.
(2) Press the key (Scan key for models without key on the control panel).
Each time you press the key, the LCD cycles through the displays as shown below.
(3) Press the Stop/Exit key in any process of the above display cycle. The machine returns to
the initial stage of the maintenance mode.
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