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// 4. Wire the button document.getElementById('printBtn').addEventListener('click', () => qz.print(config, receipt) .then(() => console.log('Print succeeded')) .catch(err => console.error('Print error:', err)); ); </script> </body> </html> qz tray 19 8 top download
QZ Tray bridges this gap. It acts as a lightweight, secure background service that translates web-based commands into raw languages that local hardware can understand. This public link is valid for 7 days