Default ip address of E-POS Thermal printers are 192.168.123.100
E-POS providing a light weight tool to change or modify the IP address of your thermal printer
First you have to check the current IP address of your Thermal printer, check this link to check how to know your current IP address of te printer
And change your computer ip address to same subnet address of your thermal printer IP address.
and download this tool and change your printer IP address Easily
For More technical Help, WhatsApp :