To help provide the most accurate driver resources, let me know:
Right-click the installer → Run as Administrator . This ensures the print spooler service and registry keys are correctly updated. e-pos printer driver ver.2.0
Built-in support for controlling cash drawers and customer displays directly through the driver interface. To help provide the most accurate driver resources,
Download the certified APD_20 installer package from the official Epson Expert or Technical Support website. Step 2: Running the Installer e-pos printer driver ver.2.0
Disconnect the printer's interface cable (USB/Serial) from your computer. Turn the printer power switch .