X1 and the AMS are both complex electromechanical devices full of sensors, electronics, actuators, and mechanical parts.
Parts wear, or faults are unavoidable during its long service. Regular maintenance will reduce the wear and increase the life of the printer.
There are many guides here that could help people to do service or change faulty parts.
As a proud owner of a Bambu Lab X1 Series machine, you must maintain the performance of your printer by performing periodic maintenance to ensure it continues to run and operate smoothly.