Keep your Bambu Lab printer running smoothly with the Filament Sensor Replacement Kit for the A1 Series. This precision component detects filament feeding, jams, and runouts—helping you avoid failed prints and keep your workflow uninterrupted. Reliable Filament Detection The filament sensor monitors the movement of filament in your extruder, instantly alerting the printer in case of jams, runouts, or feeding issues. When paired with AMS Lite, it enables accurate filament switching for seamless multi-material printing. Engineered for Precision Smart Filament Tracking – Detects input/output signals and communicates with the AMS Lite for accurate switching. Jam Detection – Instantly reports clogs or feeding issues to the printer to prevent print failures. High-Quality Components – Built with an FPC flexible connection cable and FR4 reinforcement (1.2–1.5 mm) for long-lasting stability. Quick Replacement – Simple to install with just a few screws; complete guide available on the Bambu Lab Wiki. Before You Buy This is the A1 Series sensor. It is not the same part as the P1 Series or X1 Series filament sensors — those use a different board and will not swap in. Package Includes 1 × Filament Sensor (Feed Hall Board) 1 × FPC Ribbon Cable 2 × BT2-5 Screws Why You’ll Love It Prevent unnecessary downtime, ensure reliable filament flow, and print with confidence. The Bambu Lab Filament Sensor is a small upgrade that makes a big difference in print consistency and efficiency.
