Bambu Lab's AMS Feeding Funnel is the inner part of the AMS First Stage Feeder. When the sensor detects filament insertion, the AMS feeder will automatically pull the filament forward. If the filament feeding is abnormal, the sensor will identify it and send the information back to the 3D printer.
Please Note: Please check the version of your AMS mainboard on the Bambu Lab Wiki before purchasing a new Bambu Lab AMS Feeding Funnel.