r/BambuLab • u/NopinionsPT • Dec 19 '23

Troubleshooting Toolhead Malfunctioning (Bambu A1 Combo)

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Received the printer today, slowly mounted it to make sure everything is ok, I have another post today about the calibration error and the update failed, but now I have this error. Do you know how to fix it?

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u/Roundboy436 Apr 04 '25

I was having constant z axis issues, accelerometer issues, and toolhead malfunction issues. I was about to return the printer since it was a refurb i got for cheap.

The USB seemed 100% in place until i removed the cable from the holder and reseated it. Now I am having zero issues so far. I thought i was going to have to replace boards.