Search for your specific model family (TM-P20 or TM-P20II series).
Your POS software is sending raw ESC/POS commands, but the Windows driver is trying to interpret them as text. Epson Tm P2.01 Driver
If you cannot find version 2.01, Epson’s newer APD (Version 4.56E as of 2025) includes backwards compatibility modes that mimic the 2.01 instruction set. Search for your specific model family (TM-P20 or