To help users quickly access all essential resources for LONGER 3D printers, this download center provides a structured collection of firmware, slicing software, manuals, drivers, and utility tools.

Each section is organized by category and includes brief usage guidance to help ensure correct installation, compatibility, and machine operation.

Whether you are setting up your printer for the first time or updating firmware and software for better performance, this guide helps you find the right files efficiently and safely.

Longer3D Printers

1. LKxPro-Marlin

These firmware versions are based on the Marlin system and are mainly used for LK series FDM 3D printers. Users can choose the appropriate version based on compatibility and stability requirements. It is recommended to use stable versions unless specific features from newer firmware are needed.

2. Slicing Software Download - FDM 3D Printer

Slicing software converts 3D models into machine-readable G-code. LONGER Slicer is optimized for LONGER printers, while Cura provides more advanced parameter control for experienced users. Make sure to select the correct printer profile before slicing.

3. Slicing Software Download - Resin 3D Printer

These slicing tools are specifically designed for resin 3D printing. Chitubox and Lychee offer advanced support generation and exposure control, while LongerWare is optimized for compatibility with LONGER resin printers.

4. Firmware Download

Firmware controls the core operation of your machine. Updating firmware can improve performance, fix bugs, and enhance stability. Always confirm your printer model before upgrading.

LK4 3D Printer

LK4 PRO 3D Printer

LK5 PRO 3D Printer

LK5 3D Printer

LK1 3D Printer

Cube 2 3D Printer

LK1 PRO 3D Printer

LK1 PLUS 3D Printer

Orange 10 3D Printer

  • Because there are several versions of firmware for Orange 10, please contact our support team first before updating at support@longer.net

Orange 4K 3D Printer

LONGER RAY5 laser engraver

5. Manual Download

Manuals provide essential instructions for setup, operation, and maintenance. It is highly recommended to read them before using your machine.

LK4 3D Printer

LK4 PRO 3D Printer

LK5 PRO 3D Printer

LK1 3D Printer

Cube 2 3D Printer

LK1 PRO 3D Printer

Orange 10 3D Printer

Orange 30 3D Printer

Orange 4K 3D Printer

6. Drive Program for FDM 3D Printer

These drivers are required for establishing a stable connection between your computer and the printer. After installation, ensure the correct COM port is recognized by your system.

7. TF Card / USB Disk Content to LONGER 3D Printer

These files usually include test models, sample G-code, and default configurations. They are useful for initial setup and functional verification.

8. TF Card Format Tool

Conclusion

This LONGER 3D printers resource center is designed to help users quickly locate and correctly use all necessary firmware, software, drivers, and manuals for their devices.

By ensuring that each file matches the correct printer model and version, users can significantly reduce setup issues, improve system stability, and achieve more reliable print results.

For the best experience, always follow official installation instructions and keep your firmware and slicing software updated when recommended.

If you need further assistance, please visit the LONGER Support Center, where you can access additional documentation, troubleshooting guides, and technical support resources.

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