Take control of your prints again. Replace a cracked, flickering, or unresponsive display with this verified, factory-original Elegoo OEM LCD screen. This is the exact 4.3-inch Klipper-based control interface bundled with the Neptune 4 Max.
This is a premium Genuine Elegoo OEM (Original Equipment Manufacturer) LCD Module. It features a high-sensitivity capacitive touch panel and the factory-coded firmware compatibility required to communicate seamlessly with your Neptune 4 Max’s mainboard. Whether your screen was physically damaged or is experiencing "ghost touching" or backlight failure, this unit is the direct replacement.
PROFESSIONAL REPAIR RECOMMENDED:
Power Safety: Completely power off your Neptune 4 Max and disconnect the power cord before unplugging the display cable.
Connection Integrity: The touchscreen connects via a specific data cable (usually an RJ45 or specialized ribbon cable depending on your revision). Ensure the cable is fully seated and the locking mechanism is engaged. Do not use excessive force, as the interface port on the printer’s frame is delicate.
Firmware Matching: While this is a genuine Elegoo part, always ensure your printer's firmware is up-to-date. If you encounter "Screen not found" or "UI error" after installation, a simple firmware flash for your specific Neptune 4 Max model will resolve the handshake issue.
Risk: Improper cable handling can result in short-circuiting the touchscreen interface. Self-installation is performed entirely at your own risk.
⚠️ PRE-OWNED HARVEST COMPLIANCE: Every touchscreen in our inventory has been meticulously extracted and verified for full functionality.
Touch Sensitivity: The capacitive touch layer is tested for full-screen responsiveness, with no "dead zones" or "ghost touches."
Display Quality: The LCD panel is verified for color accuracy, brightness, and is free of backlight bleeding, dead pixels, or permanent image burn-in.
Housing State: The outer plastic casing is intact, with all mounting points and the tilt-stand mechanism in perfect working order.
Genuine Elegoo Factory Hardware: Guarantees 100% compatibility with the Neptune 4 Max's UI and mainboard communication protocol. Unlike universal Raspberry Pi screens, this unit comes pre-configured with the correct display drivers and Klipper interface geometry.
Responsive Capacitive Touch: Features the same high-resolution capacitive touch technology found on your original unit, ensuring smooth menu navigation and responsive input for bed leveling and print management.
Integrated Display Assembly: Comes complete with the housing and stand, allowing for a straightforward, modular swap.
Plug-and-Play Compatibility: Engineered for the Neptune 4 Max architecture, ensuring that your printer recognizes the screen instantly upon boot-up (provided firmware matches).
Cracked or Shattered Glass: Restores the touch surface after accidental impact or dropped tools.
"Ghost Touching": Resolves instances where the screen registers phantom inputs, causing the printer to start/stop randomly.
Backlight Failure / "Dark Screen": Fixes units that power on (printer fans spin) but show no image on the display.
Unresponsive Touch: Fixes zones on the screen where the digitizer no longer registers input, preventing you from navigating menus or confirming print settings.
| Attribute | Specification |
| Compatible Model | Elegoo Neptune 4 Max |
| Screen Size | 4.3 Inches (Diagonal) |
| Interface Type | Capacitive Touch |
| Condition | Used Original OEM (Tested, Function Verified) |
| Donor Origin | Authenticated Elegoo Neptune 4 Max Pull |