test_printer_connection
Verify USB connection and ESC/POS command response for thermal printers to troubleshoot connectivity issues before printing content.
Instructions
Verify that your thermal printer is connected and responding.
Attempts to establish a USB connection to your ESC/POS thermal printer and sends a basic test command. Use this to troubleshoot connection issues before printing actual content.
Returns: Success/failure message with connection status
Checks: - USB device detection - ESC/POS command response - Printer initialization
If this fails, check: - Printer is powered on - USB cable is connected - PRINTER_NAME environment variable matches your device - libusb is installed on your system
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
No arguments | |||