Oki IP-6620 Maintenance Manual page 319

<Boot program update messages>
READING SYSTEM
XXX/128
XXX: Counter for data processing
READING SYSTEM
DONE
UPGRADING BOOT
ERASING XX/08
XX: Counter for data processing
UPGRADING BOOT
VERIFYING XX/08
XX: Counter for data processing
UPGRADING BOOT
WRITING XX/08
XX: Counter for data processing
UPGRADING BOOT
VERIFYING XX/08
XX: Counter for data processing
SYSTEM IS VALID
RESTART
5-160
Chapter 5 Troubleshooting (Engine Section and USB Controller Section)
Operation panel
OKI Data Infotech Corporation CONFIDENTIAL
LED status
[BTC-LED]: ALL OFF (light out)
[BTC-LED]: ALL OFF (light out)
[BTC-LED]: Counter for data processing
[BTC-LED]: Counter for data processing
[BTC-LED]: Counter for data processing
[BTC-LED]: Counter for data processing
[BTC-LED]: [0]-[2] = OFF (light out)
[3] = ON (lit)
[4]-[7] =OFF (light out)