The installer typically auto-detects your Windows version. Confirm it is correct.
Security is arguably the most significant challenge for OCPP drivers. Recent CVE vulnerabilities (such as CVE-2026-25192, CVE-2026-26288, CVE-2026-22552, CVE-2026-27028, and CVE-2026-26051) have highlighted critical flaws, particularly in WebSocket endpoint implementations. These vulnerabilities often arise from a lack of proper authentication on OCPP WebSocket endpoints, allowing an unauthenticated attacker to connect using a known or discovered Charge Point ID and then issue or receive OCPP commands as a legitimate charger.
You will need the printer’s IP address (often found by holding the "Feed" button while turning on the printer to print a self-test page). You must configure the printer port to use a "Standard TCP/IP Port" in Windows. ocpp-809 driver
is mismatched (if using Serial) or you are using a 58mm driver for an 80mm printer. Re-run the installer and select the specific Red light flashing:
Enable or disable the partial/full auto-cutter under the advanced printing preferences menu based on your operational preference. 5. Troubleshooting Common OCPP-809 Driver Issues The installer typically auto-detects your Windows version
: Integrated into queuing systems via multi-interface support. www.ocominc.com
class OCPP809Driver: def __init__(self, websocket_url, station_id): self.charge_point = charge_point(OCPP_VER="1.6") def handle_boot_notification(self): return "chargePointModel": "HyperCharger-809", "chargePointVendor": "ExampleCorp", "firmwareVersion": "809-driver/v3.2.1", "iccid": None, "imsi": None, "meterType": "809 energy meter", "meterSerialNumber": "M809-001" You must configure the printer port to use
Plug the USB cable back into the computer and turn the printer power switch to the ON position.
Check if the printer's IP address has changed; set a static IP.