Connect your thermal printer to a free USB port on your PC and power it on.

: Enables efficient printing of receipts, service tickets, and kitchen dockets. It supports standard command sets like ESC/POS , which is the industry standard for thermal printing. Installation Guide for v11.3.0.1

| Problem | Solution | |---------|----------| | Driver installs but POS software doesn’t print | Reinstall OPOS Common Controls (SetupPOS.exe) | | “Driver not found” error | Run CheckHealthTool.exe from Epson’s SDK | | No paper cut after print | Set cutter command in OPOS or APD via registry or driver utility | | USB printer not detected | Install via “Add Printer” → “The printer that I want isn’t listed” → “Add a local printer with a new port” → “Standard TCP/IP Port” or USB001 | | Error 0x0000001a on Windows 11 | Disable driver signature enforcement temporarily for install |

If your POS system still requires v11.3.0.1 but Windows refuses to install it (signature error), use: