The AP board is a circuit board that controls the printer and provides the required Wi-Fi connectivity and processing power for the printer. Compatibility X1 Series and P1 Series Installation Learn more about the replacement of the AP Board for P1P on Bambu Lab Wiki. Precautions When replacing the AP board, be sure to skip the step of binding the machine when turning it on for the first time. After confirming that the replacement is completed, it is necessary to update the SN. To do this, please contact the service team and provide the new and old SN to complete the SN replacement process. (The printer SN of P1P is begins with 01S) Changing a new AP board does not remove the region lock. Includes 1x AP Board P1P Browse more Browse all Bambu AMS Spare Parts & Accessories Browse all Bambu Lab Filament Browse all Bambu Lab X1 3D Printer, Spare Parts & Accessories Browse all Bambu Lab P1P/P1PS 3D Printer, Spare Parts & Accessories Browse all Bambu Lab A1 Mini 3D Printer, Spare Parts & Accessories Browse all Bambu Labs Browse all Printer Spare Parts