Bambu Lab 3D printers are 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 an owner of a Bambu Lab A1 mini, you must maintain the performance of your printer by performing periodic maintenance to ensure it continues to run and operate smoothly.
If the product you are using malfunctions and requires accessories replacement, please refer to the relevant videos or instructions to complete the replacement.