Find out the IP address of your printer
For the Epson receipt printer (TM-T70, TM-T88, TM-M30 Ethernet, TM-T20):
1. First turn off the printer.
2. Then press and hold the feed button.
3. Turn the printer on again and continue to hold down the feed button.
4. After a few seconds, a settings sheet containing the IP address of the printer will be printed: