Movements squeaky

X-Smart 3, or any other model with carbon-fiber rods

In case of toolhead movements on carbon fiber rods cause squeaky sound clean the rods with soft cloth and "run the printer in". It's normal that they make some sound but it should go away after some hours of printing. In case it doesn't go away or gets worse, check "What and how to lubricate?"

Any other machine and rod type

There really shouldn't be any squeaky sounds. Make sure to lubricate your printer - check "What and how to lubricate?"