This issue occurs when Lychee Slicer is prevented from uploading the list of printers from our servers. This can be caused by a corrupted program file or processes on your computer or network preventing the download of the list of printers.
You can try Reinitializing Lychee Slicer
If the issue persists, please uninstall and reinstall Lychee Slicer completely. https://mango3d.io/downloads/
If the previous steps do not resolve this, it could be due to an issue with your network and security settings. You can add Lychee Slicer as an exclusion in your security program.
If you are still unable to access the list of printers and only see the Free Zone in Add Printer, please contact technical support https://mango3d.io/contact-us/
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