With Longer, Make It better
To help users efficiently access all necessary resources for LONGER 3D printers, this guide organizes firmware, slicing software, manuals, and drivers in a clear structure. Each section also includes brief usage guidance to ensure proper installation and operation.
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.
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.
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.
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.
Manuals provide essential instructions for setup, operation, and maintenance. It is highly recommended to read them before using your machine.
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.
These files usually include test models, sample G-code, and default configurations. They are useful for initial setup and functional verification.
If you still have any questions during operation, please visit our Support Page, where our knowledgeable staff is ready to assist you and your team with any technical inquiries. LONGER provides comprehensive support to ensure you can fully unlock the potential of your 3D printer. On the LONGER website, you will find an overview of products and services, frequently asked questions, software compatibility downloads, and detailed comparisons between different machine models to help you make informed decisions.
This comprehensive resource guide is designed to help users quickly locate and correctly use all necessary files for the LONGER 3D printers. By following the structured categories and ensuring compatibility between firmware, software, and hardware, users can significantly reduce setup issues and improve overall workflow efficiency. Whether you are installing your machine for the first time or optimizing performance through updates, having access to the correct resources and understanding their purpose is essential for achieving stable operation and high-quality results across different applications.
Getting started with a 3D printer can feel overwhelming—but it all begins with a proper unboxing.
To help you set up your Longer 3D printer quickly and correctly, we’ve compiled a collection of official and creator-made unboxing videos. These videos walk you through everything from what’s in the box to assembly, setup, and first print tips.
Whether you're a beginner or an experienced maker, this guide will help you get up and running faster.
For the most accurate and up-to-date guidance, we recommend starting with the official Longer 3D YouTube channel.
Here, you’ll find:
Step-by-step unboxing tutorials
Assembly and setup instructions
Product feature overviews
First print recommendations
👉 Visit the LONGER 3D Youtube Channel
We’ve also selected popular unboxing videos from trusted YouTubers. These provide real-world insights and hands-on experiences with different Longer 3D printer models.
LONGER LK4 PRO Unboxing Video by The 3D Print General
LONGER LK5 PRO Unboxing Video by Just Vlad
LONGER LK4 Unboxing Video by Just Vlad
LONGER LK1 Unboxing Video by Br Makers
LONGER Orange 30 Unboxing Video by Heliox
LONGER Orange 10 Unboxing Video by 3DPN
Watching an unboxing video before setting up your printer can save you time and prevent mistakes.
Here’s why it matters:
Make sure all parts and accessories are included
Follow the correct assembly steps with confidence
Avoid common beginner setup errors
Learn useful tips from experienced creators
With the right guidance, your first print can be smooth and successful.
These unboxing videos are the perfect first step to understanding your Longer 3D printer and unlocking its full potential.
If you need further help, feel free to visit our support page or connect with our Longer 3D Official Group for tips, troubleshooting, and inspiration.
Thanks for ordering the Orange 4K Color, while we are still working on the project. Now there's some news on the project to update.
When we assembled the first production printers, we took 80 units for aging test, since 28th Dec. to 20th Jan., and we found there're 7 units were restart during testing without any reason. And there're 3 units were reboot with white screen and error.
While it's not in regular happened, we are still working on this issue to figure out the solution. It majory related with the mainboard, and we are changing some resistance and capicity to test again.
When in aging test more than 10 days, we found 5 printers were with abnormal temperature warning, with carefully checking and testing, we found the ratation speed of cooling fan is somehow decreased the speed after a long time working. We found this issue at 9th, then changed for new one with higher rotating speed. With 5 days testing, it's still in normal.
The temperature warning issue will be test for another 10 days, if this issue is gone, we will change all the fan inside the printer.
Before running with production of printer, the lcd screen were inspected by our IQC first, if the intensity of illumination is not reaching our standard, it will be take out for negative. When we assemble around 100 units from our production line, and put for aging test for 80 units totally. However, we found there're 9 units LCD screen is defective with problem, even it's normal to show and print at first.
We changed drive board and checked the mainboard, all is ok. At first we thought it should be light sources problem and also asked our supplier for new one last week, and we got it to test immediately, but the problem is still there.
We changed the new LCD screen for aging test again, we probably define it's the LCD screen issue. We drove to our supplier factory and consulted with them to seek for solution, and we thought is might be the problem of manufacturing procedure.
Worked with our supplier and analyzed together, the first reason we found is that there's some tiny gap between screen and cover, resin or humidity causing corrosion of the ITO connection area and making abnormal electrical signal conduction. Make it easy to say, the isolation is not so good as we expected. There's a ratio of lcd screen work in abnormal after a long time printing.
The solution is we are working with our supplier to remake the cover for lcd screen with better sealing glue and more strict precedure on covering. The lcd screen will be collected again and send them to our supplier to inspect again to check the tiny gap for better sealing.
We will be in Chinese new year holiday since 6th Feb. to 20th Feb., many of our suppliers are with the same or even longer holidays than us. Now we have several issues to be resolved and some issues need time for testing as well.
Discuss with our R&D team carefully, we still hold for the shipment of 4K Color printers (even we has assembled for 100units), because we are still facing the obstacle of the lcd screen defetive and reboot issue, we need to make sure the mass production is under our QC standard and come with no issues.
Considering the supply period from our suppliers, the shipping date of Orange 4K color printer need to postpone to around the beginning of March. We are so sorry for the delayed but we are still working on it.
Because the promised is delayed, some backers should expect to get the printer earlier, but finally, it's delayed. We will provide 2 bottles 1KG standard UV resin for each Orange 4K Color backer for free as compensation.
The 4K mono screen is still waiting for schedule on production, as plan, the mono screen will be produced at March.
We apology for the delayed again, and we are always pushing our R&D team to resolve the issue ASAP, however, we have to make the hard decision to hold the printers for late shipment again to make sure to the issues will be resolved first.
If there's any question or need further information, please feel free to contact us at yt@longer3d.com.
Thanks and Best regards,
Longer Team
https://www.longer3d.com/products/orange-4k-resin-3d-printer
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