How to Print a Self-Test Page
Tutorial video
I. Steps to Print
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Ensure the printer is powered on and loaded with label paper (matching the correct paper type).
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Press and hold the function button (the only button on the top of the printer):
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Hold for about 5 seconds until you hear two beeps, then release immediately.
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II. Troubleshooting
❌ No response/not printing:
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Check if the printer is out of paper (red light blinking slowly, once per second → reload paper and retry).
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Button press duration too short → Must hold until two beeps.
