There are 2 small circuit boards called the heatbed piezo interface boards, which are installed inside the heatbed. Heatbed sensor 1 and heatbed sensor 2 are connected to these boards.
A small circuit board installed underneath the heatbed, which connects the heatbed sensors to the MC board.
Learn more about the replacement of the Heatbed Piezo Interface Board for P1 Series and X1 Series on BambuLabWiki.
Compatibility X1 X1C X1E Series and P1P P1S A1 Mini Series
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