Panasonic UF-490 Service Manual page 148

5.1.5.2. LCD / LED Test
This Service Mode is used to check the LCD and LEDs on the Control Panel.
Use the following procedure to initiate the test.
Step
1 Standby
2 Press "FUNCTION" and then "7".
3 Press "MONITOR" four times, then press "*".
4 Press "5".
5 Press "2" or
use "V" or "/\ " to select the LCD / LED Test mode.
Press "START".
6
1) LCDs display as shown at right.
2) All LEDs will be lit.
7 Press "STOP" twice to return to standby.
Service Mode 5
Operation or Unit Condition
148
LCD Display
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SET MODE (1-8)
SERVICE MODE
SCANNER LED TEST
LCD/LED TEST
* CHECK NOW *
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