Elegoo Neptune 4 Mainboard Replacement – Motherboard for Neptune 4 Series
Original Elegoo mainboard replacement for the Neptune 4 series printers. This control board manages all printer functions including motor control, temperature regulation, and communication. Essential for restoring full printer functionality after electrical issues or firmware corruption.
When to Replace
- Board Failure – No power or printer won’t boot
- Motor Issues – Stepper drivers not responding
- Temperature Problems – Sensors or heaters not working
- Communication Errors – WiFi or USB connectivity issues
- Firmware Brick – Unrecoverable firmware issues
- Physical Damage – Burnt components or water damage
Compatibility
| Elegoo Neptune 4, Neptune 4 Pro, Neptune 4 Plus, Neptune 4 Max |
Specifications
| Type | 32-bit Control Board |
| Function | Printer control and communication |


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