Direct communication with printers using EPL, ZPL, ESC/POS, SBPL, and more.
If your web application fails to communicate with your hardware after installation, use this diagnostic checklist to restore service. 1. Verify the Tray Icon Status qz tray 19 8 top download
| OS | Path | |----|------| | Windows | %PROGRAMDATA%\QZ\tray\cert\qz-tray.pem | | macOS | /Library/Application Support/QZ/tray/cert/qz-tray.pem | | Linux | /opt/qz/tray/cert/qz-tray.pem | Direct communication with printers using EPL, ZPL, ESC/POS,
A green icon means QZ Tray is active and connected. Red or grey indicates a connection failure. Direct communication with printers using EPL