1. Introducció
This manual provides detailed instructions for the installation, setup, operation, and maintenance of the Walfront 32-bit 3D Printer Motherboard, specifically designed for the Anet ET5X 3D printer. Please read this manual thoroughly before using the product to ensure proper function and safety.
2. Informació de seguretat
- Always disconnect power to the 3D printer before installing or removing the motherboard.
- Handle the motherboard by its edges to avoid electrostatic discharge (ESD) damage to components.
- Assegureu-vos de posar a terra correctament durant la instal·lació.
- Verify all connections are secure and correctly oriented before applying power. Incorrect wiring can cause damage to the motherboard or other components.
- Operate the 3D printer in a well-ventilated area.
- No exposeu la placa base a la humitat ni a temperatures extremes.
3. Producte acabatview
The Walfront 32-bit 3D Printer Motherboard is an advanced control board for the Anet ET5X, featuring a powerful STM32F407 microprocessor and integrated A4988 motor drivers. It is designed for enhanced performance, reliability, and ease of use.
3.1 Característiques clau
- Microprocessador: STM32F407 (32-bit)
- Motor Driver: Integrated A4988 for precise stepper motor control.
- Entrada Voltage: Wide range of 8-35V.
- Gestió tèrmica: Two-layer PCB design with high-efficiency MOSFETs for optimized heat dissipation.
- Característiques de seguretat: Protection against overcurrent, overload, and overheating.
- Modes d'impressió: Supports offline and online printing.
- Funcions avançades: Potència outage recovery and filament runout detection.
- Actualització del firmware: Via memory card or USB flash drive.
- Compatibilitat: Specifically designed for Anet ET5X 3D printers.
3.2 Optimized Heat Dissipation
The motherboard features a two-layer PCB design and high-efficiency MOSFETs to ensure excellent heat dissipation, which is crucial for stable long-term operation and preventing overheating.

Figure 1: Motherboard design emphasizing optimized heat dissipation for reliable performance.
3.3 Motherboard Layout and Dimensions
Below is an image illustrating the overall dimensions of the motherboard.

Figure 2: Motherboard dimensions (approximately 130mm x 100mm).
The motherboard measures approximately 130mm (5.12 inches) in length and 100mm (3.94 inches) in width.
3.4 Identificació del port
Refer to the diagram below for the identification of various ports and connectors on the motherboard.

Figure 3: Labeled ports and interfaces on the motherboard. Key connections include Power Supply Input, Hot Bed Interface, Nozzle Main Line, Motor (Y, Z1, Z2) and Y Fiber Switch, USB, and Memory Card Port.
This diagram highlights critical connection points such as the power input, hot bed interface, motor connections (Y, Z1, Z2), and data ports like USB and the memory card slot. Proper connection to these ports is essential for the motherboard's functionality.
4. Instal·lació
This section outlines the steps for installing the Walfront 3D Printer Motherboard into your Anet ET5X 3D printer.
- Prepareu la impressora: Ensure your Anet ET5X 3D printer is powered off and disconnected from the main power supply.
- Access Existing Motherboard: Carefully open the control box or access panel of your 3D printer to expose the existing motherboard.
- Desconnectar components: Systematically disconnect all cables and connectors from the old motherboard. It is recommended to take photos or label each connection to aid in reassembly.
- Treure la placa base antiga: Unscrew and remove the old motherboard from its mounting points.
- Instal·leu la nova placa base: Place the Walfront 32-bit motherboard into the designated slot, aligning it with the mounting holes. Secure it with screws.
- Reconnectar components: Reconnect all cables and connectors to the new motherboard according to the labels or photos taken earlier. Refer to Figure 3 for port identification. Ensure all connections are firm and correctly seated.
- Tanca la impressora: Once all connections are verified, close the control box or access panel.

Figure 4: The motherboard shown alongside a 3D printer, indicating its intended application and installation context.
After installation, proceed to the setup section for firmware updates and initial configuration.
5. Configuració
The Walfront 3D Printer Motherboard supports firmware updates via memory card or USB flash drive. It is recommended to ensure the latest compatible firmware is installed for optimal performance.
5.1 Procediment d'actualització del firmware
- Obtain Firmware: Download the latest firmware compatible with the Walfront 32-bit motherboard for Anet ET5X from the official Walfront support website or Anet's official resources.
- Prepare Storage Device: Copieu el firmware descarregat file to a memory card (not included) or a USB flash drive. Ensure the storage device is formatted correctly (e.g., FAT32).
- Insereix un dispositiu d'emmagatzematge: With the 3D printer powered off, insert the memory card into the designated slot on the motherboard (refer to Figure 3) or connect the USB flash drive to the USB port.
- Power On and Update: Power on the 3D printer. The motherboard will automatically detect the firmware file and initiate the update process. Follow any on-screen prompts if available.
- Verifica l'actualització: Once the update is complete, power cycle the printer. Check the printer's display or settings to confirm the new firmware version is active.

Figure 5: The memory card slot on the motherboard, used for offline firmware upgrades.
The image above illustrates the memory card slot, which is crucial for performing offline firmware updates. This method allows for convenient maintenance and enhancement of the motherboard's functionality.
6. Instruccions de funcionament
This motherboard enhances the operational capabilities of your Anet ET5X 3D printer with several key features.
6.1 Offline Printing
The motherboard supports offline printing, allowing you to print directly from a memory card or USB drive without needing a constant connection to a computer. Simply load your G-code files onto the storage device, insert it into the motherboard, and select the desired file from the printer's interface.
6.2 Power Outtage Recuperació
In the event of a power interruption during a print job, the power outage recovery feature allows the printer to resume printing from where it left off once power is restored. This minimizes material waste and saves time on long prints.
6.3 Filament Runout Detection
The motherboard supports filament runout detection. If the printer runs out of filament during a print, it will automatically pause the print, allowing you to load new filament and resume the print without losing progress.

Figure 6: Visual representation of the filament runout detection and power off resume printing functionalities.
These features are designed to improve the reliability and user experience of your 3D printing operations.
7. Manteniment
Proper maintenance ensures the longevity and optimal performance of your Walfront 3D Printer Motherboard.
- Neteja: Periodically inspect the motherboard for dust accumulation. Use a soft brush or compressed air to gently clean the surface, ensuring no debris obstructs components or heatsinks. Always disconnect power before cleaning.
- Condicions ambientals: Operate the 3D printer in a clean, dry environment with stable temperatures. Avoid areas with high humidity, excessive dust, or extreme temperature fluctuations.
- Actualitzacions de firmware: Regularly check for and install the latest firmware updates to benefit from performance improvements, bug fixes, and new features.
- Comprovacions de connexió: Occasionally verify that all cable connections to the motherboard are secure and free from damage.
8. Solució De Problemes
This section provides solutions to common issues you might encounter with your Walfront 3D Printer Motherboard.
| Problema | Causa possible | Solució |
|---|---|---|
| Printer does not power on after motherboard installation. | Incorrect power connection, faulty power supply, or motherboard not seated correctly. |
|
| Motors are not moving or moving erratically. | Motor cables incorrectly connected, faulty motor, or driver issue. |
|
| Firmware update fails. | Microprogramari incorrecte file, improperly formatted storage device, or corrupted file. |
|
| Printer not detecting filament (Filament Runout Detection). | Filament sensor not connected, faulty sensor, or feature disabled in firmware. |
|
9. Especificacions
| Característica | Detall |
|---|---|
| Tipus d'element | 3D Printer Motherboard |
| Material | PCB |
| Mida | Approx. 130x100mm / 5.12x3.94in |
| Microprocessador | STM32F407 (32-bit) |
| Entrada Voltage | 8-35V |
| Conductor de motor | A4988 |
| Tipus de sensor | 100K Negative Temperature Coefficient Thermistor |
| Actualització del firmware | Support memory card, USB flash drive update (Memory card not included) |
| Mode d'impressió | Support offline printing, online printing |
| Potència Outage Recuperació | Sí |
| Detecció d'esgotament del filament | Sí |
| Aplicació | For Anet ET5X |
| Pes de l'article | 4.3 unces (aproximadament 122 grams) |
| Número de model | WALFRONTeci5nubfgx |
10. Garantia i Suport
For warranty information and technical support, please refer to the official Walfront weblloc web o poseu-vos en contacte amb el vostre distribuïdor. Conserveu el rebut de compra com a comprovant de compra per a qualsevol reclamació de garantia.
Per a més ajuda, podeu visitar el Botiga Walfront a Amazon.
