Adding Troubleshooting steps done:

Check Physical connection: power and ethernet cable – firmly connected
The green light is on at the ethernet port
Test print – ok
Tried printing from the POS – no go
Power cycle the printer – done
Tried printing again – still no go
Locate the reset button and tried to print – no IP address
Check for the backup printer
They have the TP 200 printer
Tried to connect the printer but still not printing and still no IP address upon printing the test print

Please let us know if you have other questions.

Regards,
Dianah