HP Deskjet 6127 Color Inkjet Printer - Manual (Page 173)

5. Do one of the following:
if the link light is... then...
Install the printer software on the network
computers
.
Repeat steps 2–4. If the lights are still off, then verify
the following:
❍
The printer is powered on.
❍
The hub or router is powered on.
❍
All cable connections are secure.
❍
You are using an ethernet cable .
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