Gravity S80 Thermal Cube Printer Ethernet Setup
S80 Thermal Cube Printer
Default IP: 192.168.1.251
Two methods to change the IP / Netmask and Gateway addresses
1. Browser BUI. Type in IP address of printer and change via Configure Interface menu. Login 'admin' with no password. 
2. Via the utility v1.66, located at: I:\Common\Software\Printing\Gravity-BTP-S80\S80.zip
Utility.exe
NetWin Config
Search Printer
IP Parameter Settings
OK (no password)
Enter settings for IP, NM, GW
OK
Reboot device.