Oki OkiLAN 6120e User Manual page 19

Section I - Hardware Installation
Powering On the OkiLAN 6120e
Turn printer power on. The red and green indicators on
the OkiLAN 6120e will blink during self-test. When
self-test completes successfully, the red indicator will go
off and the green indicator will stay on.
Green indicator Red indicator
OKI OkiLAN 6120e User's Guide I - 9