Keep your QIDI Q2 3D printer running at peak performance with these genuine replacement circuit boards. This listing includes the Motherboard (X-9-3 V1.3.0), the Main Control Board (X-9-1 V1.5), and the Adapter Plate AP Board (A-10 V1.1.3), giving you everything you need to restore full functionality to your machine. The motherboard features four integrated stepper motor drivers with blue aluminum heatsinks for efficient thermal management, dual Z-axis motor support, multiple fan connectors, and a USB interface for easy connectivity. The slim main control board includes an Ethernet port, USB-OTG, RGB panel connector, onboard Wi-Fi module, and a reset button for convenient operation. The adapter plate board handles extruder motor control, dual fan outputs, and filament detection, rounding out a complete electronics solution. Whether you are troubleshooting a malfunction or performing a proactive upgrade, these replacement boards are designed as direct-fit components for the QIDI Q2 printer. Please verify compatibility with your specific printer model and firmware version before installation.