Lychee Slicer can send your sliced files directly to printers over the network (LAN or WLAN) if it supports network communication.
In order to print through the network, Lychee has to communicate directly with the operating system of the printer,. That operating system is called a firmware and is the actual middleman between slicers and printers.
FDM network printing is only possible on unmodified Klipper or Octoprint firmwares running printers with network features.
On the other hand, resin printing over the network is only possible on few and latest Chitubox based printers.
For example, the following resin printers support network connectivity : the ApexMaker x1, the Elegoos Saturn 3 Ultra & 4 Ultra as well as the following FDM printers : the Voron serie, Elegoo Neptune 4 serie, FLSUN V400, T1 & S1 also support printing over wifi.
Here is a video on how to link Lychee Slicer to your printer :
Unfortunately, some manufacturers purposely modify the Klipper firmware to prevent non-proprietary slicers to communicate with their printers. Lychee Slicer can only communicate with printers and manufacturers that allow it.
To resolve network or Wi-Fi-related issues, we need to proceed by elimination because the problem could be linked to the slicer, the file, the computer, the network connection, the Wi-Fi access point, the printer Wi-Fi module…
These steps will seem obvious to you, but they are necessary to rule out a hardware issue and identify the exact cause of the problem.
- Turn off your printer and unplug the power cord, wait 30 seconds, plug your printer back in, and then turn the printer back on.
- Restart your computer and router.
- If you’re trying to print over Wi-Fi, make sure your Wi-Fi is enabled, and check you’re connected to the correct Wi-Fi network.
- Over Wi-Fi, make sure your printer router and computer are at a distance from each other where they can pick up the signal and where the connection is strong enough to transfer a file. If not find a new spot for the printer.
- Make sure the printer firmware is up-to-date.
- If it applies, remove the Wi-Fi module (detachable antenna) and put it back.
- Clear your printer memory by removing the files stored on it.
- Save the slice file locally on your computer and copy it on a trusted USB key (avoid using the one provided with the printer) and check if the printer can read it. This allows you to confirm whether the issue is with the network or with the file itself.
- Try sending the same file with another slicer through the network if you have the possibility.
If you can send the file via another slicer than Lychee Slicer, please contact our support team.
If you are unable to send the file with a different slicer, please contact your printer manufacturer or reseller.
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