Precautions for A1 Pro Auto-Focus & Calibration Failure
Calibration failed: If calibration still fails after resolving the above issues, you can place a flat A4 paper on the tray to improve the autofocus calibration effect
( Note: This method may cause the Z-axis focusing accuracy to lose approximately 0.3mm. It is recommended to update the firmware version to above 1.0.38 before performing autofocus calibration: https://wiki.creality.com/en/laser-engraver/falcon-a1-pro/mainboard-firmware-guide )
This method can resolve issues with autofocus and calibration failure; for further assistance, it is recommended to contact official customer service technical support!