I've been trying for a long time to configure the BLTouch correctly on an Ender 3 and I only get results that have no sense. I already have another Ender 3 with a BLTouch configured that works fine. But this is giving me this mesh:

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How is it possible that the corners are fine and the center is not?

Also, printing with that mesh I get these results:

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The correction does not even correspond to the mesh. I try to align correctly BLTouch with nozzle, change wires, adjust screws... Any ideas?


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