Oki POS 425S - Manual (Page 53)

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Developer’s Guide: English 53
4. Troubleshooting and Repair
4.1 Alarm Indication for a Failure
When a failure occurs, the printer indicates its contents with LED1 lamp on the operation panel, which blinks in different ways
depending on the failure type.
Note: OEM Fiscal Type:
The alarm indication works only when the Fiscal Control PCB is not mounted.
o425_20.jpg
1 POWER LED Green
2 LED1 Red
3 LED2 Orange
4 LED3 Orange
LED4 Green
5 SW2
6 SW3
7 SW1
8 SW4
Operation Panel
4 5 6 1 2 3 7 8