Anyone having issues with Bambu spools seeming to unwind from the bottom of the spool?
Only happened to me when cardboard spool was not properly placed on Bambu spool.
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As @Avgils said, this can happen if the notch in the cardboard center spool doesn’t line up when a refill is assembled into a spool.
This can also happen if the spool halves separate. The filament can get pulled into the gap that is created and will jam. Check to make sure the spool halves are still clicked together properly.
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Use the shims to prevent the two halves separate.
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