Panasonic UF-490 Service Manual page 147

5.1.5. Service Mode 5 (Diagnostic)
5.1.5.1. Scanner LED Test
This Service Mode is used to check the LED of the CIS Scanner.
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".
Press "START".
5
The Scanner will be active.
6 Press "STOP" twice to return to standby.
Service Mode 5
Operation or Unit Condition
147
LCD Display
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SET MODE (1-8)
SERVICE MODE
SCANNER LED TEST
* CHECK NOW *
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