ELEGOO Neptune 4 Max 3D Printer User Manual

Machine Parameters

Print Parameters

• Print Principle: FDM Fused Deposition Modeling
• Build Size: 420 x 420 x 480 mm³
• Print Precision: ±0.1 mm
• Nozzle Diameter: 0.4 mm
• Maximum speed: 500 mm/s
• Regular printing speed: 250 mm/s
• Maximum acceleration: 8000 mm/s²

Temperature Parameters

• Ambient Environment Temperature: 5°C ~ 40°C
• Maximum Temperature of Nozzle: 300°C
• Maximum Temperature of Hotbed: 85°C (at 25°C ambient temperature)

Software Parameters

• Slicer Software: Cura
• Input Format: STL, OBJ
• Output Format: Gcode
• Connection Type: U Disk, LAN, WiFi

Power Supply Parameters

• Power Input: 100-120V/220-240V; 50/60Hz
• Power Output: 24 V

Physical Parameters

• Machine Size: 658*632*740 mm
• Net Weight: 18.1 kg

Machine Structure Diagram

The machine structure includes:

• Filament tube
• Filament holder
• Filament detector switch
• Auxiliary Cooling Module
• Tie rod
• Lead Screws T8
• X-axis stepper
• X-axis belt tensioner
• Nozzle kit
• Rigid Coupling
• Build platform
• Z-axis stepper
• Y-axis belt tensioner
• Network cable interface
• WiFi signal receiver
• Touch screen
• U disk socket
• Type-C interface
• Toolbox

Fasteners: HM5*45 (4pcs), PM4*50 (4pcs), PM4*20 (5pcs), PM4*18 (2pcs), (PM3*14) (3pcs), PM4*8 (3pcs), HM4*M3*3 (1pc), (PM3*8) (2pcs), FW M5*18*1 (2pcs).

Packing List

The packing list includes various components labeled 01 through 13. Please refer to the actual product as the pictures are for reference only.

Tools included: U disk, wrenches, Allen keys, screwdriver.

Machine Installation

An installation instruction video is provided on the attached U disk.

Print head installation:

Use 3pcs (PM3*14) screws to fix the print head from the rear through the metal plate holes. Use 2pcs (PM3*8) screws to fix the front of the print head.

Base installation:

Attach the base using HM5*45 screws.

Touch screen and toolbox installation:

Connect the touch screen (04) and toolbox (03) using the provided screws.

Filament detector installation:

Install the filament detector switch using HM4*M3*3 screw.

Cable clamp installation:

Organize and fix the cables using PM4*8 screws.

Gantry installation:

Assemble the gantry components using PM4*20 and FW M5*18*1 screws.

Operation Screen Introduction

The operation screen provides access to various functions:

• Main Interface: Displays printer status and provides access to Print, Prepare, Settings, and Leveling functions.
• Print Documents: View and select Gcode files. Includes left and right page keys.
• Prepare Interface: Controls movement (X, Y, Z axes), motor unlock, and access to temperature and extruder settings.
• Set Interface: Access to Language, WLAN, Lighting Control, Fan settings, Filament Detector, Factory Defaults, About Machine, and Advanced Settings.
• Level Interface: Displays temperature, compensation settings, and 121-point parameter data.

Auxiliary cooling module instructions:

The rear cooling fan can be adjusted to three modes: silent ?, normal ?, or sport ?. These modes can be selected via the fan icon on the screen.

Print mode description:

Users can adjust the printing mode by clicking the speed icon. The modes (mute ?, balanced ⚖️, sport ?) correspond to different speed, acceleration, and fan speed settings.

Auto Leveling

Calibrate the distance between the platform and the nozzle before first use. The target distance is approximately the thickness of an A4 paper.

1. Power on the printer and select Level.
2. The printer will home the axes. Place an A4 paper between the nozzle and the platform.
3. Click the compensation value to adjust the nozzle height. Adjust until friction is felt when moving the A4 paper.
4. Perform auxiliary leveling by calibrating 6 points on the platform using the hand-twisting nuts and A4 paper.
5. Enter automatic leveling (A4) for automatic calibration.
6. The machine will heat the nozzle to 140°C and the hotbed to 60°C (preset temperature can be adjusted based on filament type for accuracy).
7. After reaching temperature, start the 121-point automatic calibration.
8. After leveling, set the Z-axis compensation using the A4 paper method described in step 3.

Note: The leveling sensor is designed for the metal platform. Using a glass platform may lead to incorrect leveling and potential damage to the nozzle or platform.

Model Test

Print Head Feeding Check

1. Push filaments to the bottom of the print head.
2. Navigate to Prepare - Extruder and click Load. The nozzle will heat to 200°C.
3. Once preheated, click feed to extrude filament.
4. Clean the nozzle before printing.

Notice: Adjust extruder spring strength with an Allen wrench (counterclockwise to increase, clockwise to decrease) based on filament hardness.

Start printing

1. Insert the U disk into the printer's USB port.
2. Select Print from the main menu and choose the model file.
3. The printer will home axes and start printing once the nozzle and heatbed reach the preset temperatures.

Notice: Observe the first layer. Case A shows insufficient extrusion (nozzle too close), Case B shows proper extrusion, and Case C shows poor adhesion (nozzle too far). Adjust compensation during printing as needed.

Fine-tuning the nozzle height can be done with 0.01mm or 0.1mm increments to prevent excessive extrusion or gaps.

Resume Printing Description

• Power Loss Recovery: If power is interrupted, the printer can resume printing from where it left off after being powered back on. Note that prolonged power loss may cause the model to detach from the platform due to cooling.
• Filaments Detection: This feature alerts the user to replace filaments when they are running low during a print, preventing print failures.

Software Installation

Copy the data from the U disk to your computer.

ELEGOO's slicing software is a modified version of Cura, optimized for ELEGOO machines.

1. Open the U disk file, navigate to the Software and Software Drivers folder, then the ELEGOO Software folder.
2. Double-click ELEGOO-Cura to start the installation.
3. Follow the on-screen prompts to complete the installation.
4. During setup, select the appropriate ELEGOO model (ELEGOO NEPTUNE 4 MAX) to configure the software correctly.

Instructions for Use (Cura)

• Viewpoint Control: Scroll the middle mouse wheel to zoom, hold the middle wheel to pan, and right-click to rotate the view.
• Model Setting: Configure individual slice settings for multiple models.
• Support structure interception: Define regions where support structures should not be generated.
• Preview image function: Gcode files saved in TFT format allow for visual preview of models on the printer's screen.

Online Print

The device supports WiFi and network cable connections.

• Ensure the machine and computer are on the same network segment.
• Connect the network cable to the machine's port.
• To connect via WiFi, follow the on-screen prompts to configure the wireless settings.
• Access the machine's web interface by entering its IP address (e.g., 192.168.211.164) in a web browser like Google Chrome.

The web interface provides controls for:

• Movement Control: Manually move axes and set compensation.
• Fan and Output: Control printhead fan and lighting.
• Printer Limit: Adjust maximum acceleration (usually not needed).
• Temperature Display: Monitor and set temperatures for the nozzle and hotbed.
• Console: Send G-code commands.
• Task List: Upload G-code files for printing.

Troubleshooting Guide

• Stepper Motor Issues (No Movement/Noise): Check stepper cable connections and ensure limit switches are not obstructed or loose.
• Nozzle Kit Extrusion Anomaly: Verify extruder stepper cable, secure extruder gear set screw, and ensure the cooling fan is working. For clogs, heat the nozzle to 230°C and manually push filament, or use a fine needle.
• Model Not Sticking/Warping: Ensure proper first-layer adhesion by adjusting nozzle-to-platform distance (aim for ~0.2mm). Use Cura's 'Brim' setting for better adhesion.
• Model Misalignment: Reduce travel or print speed. Check X/Y axis belt tension and synchronizer pulley tightness. Ensure drive current is adequate.
• Severe Stringing: Increase retraction distance and speed in slicing software. Enable 'Z Hop When Retracted' with a small height (e.g., 0.25mm). Reduce print temperature if it's too high.

Circuit Wiring

The mainboard includes connections for:

• X, Y, Z, E axis steppers
• Proximity switch
• Hotend thermosensitive
• Heating pipe
• Heating head interface
• Hotbed interface
• Power interface
• Filament detector (DET1)
• Rear cooling fan/Model fan (FAN1)
• Main board fan/print head fan
• U disk socket
• TF Card slot
• Type-C interface
• Screen interface
• LEDs
• X/Y Accelerometer interface
• Network cable interface

Refer to the diagram for specific component connections.

After-sales service registration card

Fill in the following details:

• Date of purchase
• Place of purchase
• Printer S/N
• Fault description
• Contact Name
• Phone number
• Address

Visit the ELEGOO official website: www.elegoo.com for support.