В Configuration.h править этот раздел
/
@section machine
// Invert the stepper direction. Change (or reverse the motor connector) if an axis goes the wrong way.
#define INVERT_X_DIR false
#define INVERT_Y_DIR false
#define INVERT_Z_DIR true
//
@section extruder
// For direct drive extruder v9 set to true, for geared extruder set to false.
#define INVERT_E0_DIR true