Below are a list of supported and most importantly 'compatible' Epson POS printers

Legacy Printers (OPOS)

• Epson TM-T20 (usb/ethernet)
• Epson TM-T70II (usb/ethernet/WiFi)
• Epson TM-T82II (usb/ethernet)
• Epson TM-T88III (usb/ethernet/WiFi/Serial)
• Epson TM-T88IV (usb/ethernet/WiFi/Serial/Bluetooth)
• Epson TM-T88V (usb/ethernet/WiFi/Serial/Bluetooth)

Intelligent Printers

• Epson TM-T20-i (Ethernet/WiFi)
• Epson TM-T70II-i (Ethernet/WiFi)
• Epson TM-T82II-i (Ethernet/WiFi)
• Epson TM-T88V-i (Ethernet/WiFi)