The Toolhead Board is the central electronic hub designed specifically for the Bambu Lab A1 Series print head. This circuit board acts as the critical interface, managing power and data connectivity for all key toolhead components—including the hotend heating assembly, extruder unit, cooling fans, and filament sensors. If you are experiencing multiple connectivity errors or power issues at the print head, this genuine replacement board restores reliable communication between the mainboard and your toolhead peripherals. Features Centralized Control: Efficiently distributes power and signals to the hotend, fans, extruder motor, and sensors. Seamless Integration: Genuine Bambu Lab part designed for perfect fitment and immediate compatibility with the A1 Series firmware. Complete Kit: Includes the necessary M2-2 mounting screws for a secure installation. Compatibility A1 Series (A1, A1 mini) Installation Replacing the toolhead board involves handling sensitive electronics. Please refer to the official guide for step-by-step instructions. Technical Specifications Material PCBA (Printed Circuit Board Assembly) Color Black Packaging Size 105 x 54 x 33 mm Packaging Weight 40 g In the Box 1x Toolhead Board 4x M2-2 Screws
