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Getting Started with OpenNept4une

Table of Contents

• Prerequisites
• Flashing OpenNept4une
• Initial Configurations & Updates
• Post-Installation Setup
• Importing OrcaSlicer Profiles
• Klipper & OrcaSlicer Printer Calibration

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Prerequisites

• Acquire an eMMC to USB Adapter: MKS USB3 Adapter - AliExpress or Adapter with spare eMMC - AliExpress.
• Connect the printer via Ethernet and note the IP address.
• Power off the printer and access the Mainboard by removing all silver screws securing the underside panel.
• Remove the two screws securing the eMMC module and safely lift it free.
• For N4 or N4Pro users ONLY, determine your Stepper & PCB Version.
• If your printer lacks an externally accessible microSD slot (normally located on the front I/O panel to the left of the USB-C port)
  follow these instructions: Hidden microSD Access.

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Flashing OpenNept4une

Download and Preparation:

• Download the latest OpenNept4une Image suitable for your printer model.
• Use balenaEtcher to flash the image onto the eMMC.

Installation:

• Reinsert the eMMC into the mainboard.
• If your printer now features an externally accessible microSD slot, reattach the access panel to the printer.
• Power on the printer and connect via SSH using: ssh mks@YOUR-PRINTERS-IP. Password: makerbase.

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Initial Configurations & Updates

• Execute the Kiauh script with:
  ~/kiauh/kiauh.sh
• Select menu Option 2, update all programs, then exit kiauh.
• Update and run the OpenNept4une script:
  cd ~/OpenNept4une/ && git fetch --all && git reset --hard origin/main && git clean -fd
  Followed by
  ~/OpenNept4une/OpenNept4une.sh
  Select Option (1) to install the latest printer configurations and accept updates to other configurations as prompted

Update Klipper MCUs:

• After a reboot run

  opennept4une
  

• Select Menu Option 4) Update MCU & Virtual MCU Firmware to update MCUs.
• Select Option 4 ALL (If you don't have a pico USB accelerometer Skip when prompted)
• Follow the instructions within the script to complete

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Post-Installation Setup

Configure WiFi & Install the display (Touch-screen):

• To configure WiFi / to install the touch-screen service, re-run;
  opennept4une
• Select Option (2) in the OpenNept4une menu for WiFi and Option (5) for touch-screen install
• Enusre your touch-screen is on the latest Elegoo firmware, either UI v1.2.11 or UI v1.2.12 Download Here

Timezone Configuration:

• Set the correct timezone through Armbian configuration:
  sudo armbian-config
  Then navigate to Personal > Timezone.

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Importing OrcaSlicer Profiles

• Download & install the latest Official Release OrcaSlicer
• Configure your Printer Model in Orca with 0.4mm nozzle and PLA default presets
• Check / Confirm Bambu Network Engine install
• Download the latest OrcaSlicer Profiles
• In OrcaSlicer click [File > Import > Import Configs...]
• Within each of the three dropdown menus on the left for Printer, Filament & Process select the OpenNept4une User preset
• Click the WiFi symbol to the right of the Printer preset dropdown, enter your printer's IP to enable network .gcode upload

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Klipper & OrcaSlicer Printer Calibration

Here

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