5-16
Confidential
1.3.7 Operational Check of Keys on Control Panel (Maintenance mode 13)
< Function >
This function checks the keys on the control panel for normal operation.
< Operating Procedure >
(1) Press the 1 and 3 keys in this order in the initial stage of the maintenance mode.
The "00" appears on the LCD.
(2) Press the keys on the control panel in the order designated in the illustration
shown below.
Each time a key is pressed, the LCD shows the corresponding number in decimal
notation. Check that the number assigned to the pressed key matches the number
shown on the LCD.
If a key is pressed out of order, "INVALID OPERATE" appears on the LCD. Press
the X key and then press the correct key.
(3) After the last number key is pressed in the correct entry procedure, the machine
makes a beep and return to the initial stage of the maintenance mode.
To terminate this operation halfway through the procedure and return to the initial
stage of the maintenance mode, press the X key.
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