Formlabs regularly releases updated firmware to fix bugs and improve functionality. Check your printer's firmware to ensure you're always up to date.

Download the latest firmware version for your Formlabs SLS printer with PreForm, then upload and install the firmware file on the machine. Review the firmware downloads and release notes to learn more about the improvements that come with each version's release.

To update the firmware via PreForm:

1. Open PreForm.
2. Connect the machine to the computer via Wi-Fi, USB, or connect the device to an Ethernet network.
3. Click Edit Job Setup. The Job Setup window opens.
4. Select the printer you wish to update.
5. Click Firmware Update in the Job Setup pane. The Firmware Update window opens.
6. Click Update. PreForm begins to download the latest firmware to your computer.
7. Follow the onscreen instructions to download the latest firmware and then upload the file to the machine. To upload firmware, the device must be connected to the computer via USB or the machine must be connected to an Ethernet network.
8. The printer may automatically recognize that you have sent a firmware update. Tap Continue on the touchscreen to finish the installation.
9. If you are not prompted to Continue, continue the firmware update manually. Tap Settings > System > Firmware Update.
10. After the firmware update installs, confirm the system restart on the touchscreen or wait 30 seconds for an automatic restart.

If the touchscreen freezes during or after the firmware update, perform a power cycle to restart the printer.

To power cycle the printer:

1. Unplug the printer.
2. Wait at least 30 seconds to ensure a complete power cycle.
3. Reconnect the power cable to restart the printer.

If the printer reports insufficient space to install a firmware update, delete one or more print jobs from the print queue.

To delete print jobs stored on a printer, tap Settings > System > Printer Details > Storage.

If the printer is unable to complete an automatic firmware update, or displays a decryption failed error, perform a manual firmware update using PreForm.

To perform a manual firmware update via PreForm:

1. Download the firmware file and save it where it can be easily found.
2. Connect the machine to the computer via USB or connect the device to an Ethernet network.
3. Open PreForm.
4. Click the < button. The Job Info panel opens.
5. Click Edit Job Setup. The Job Setup window opens.
6. Select the printer you wish to update.
7. Click Firmware Update in the Job Setup pane. The Firmware Update window opens.
8. Click Upload File. A file selection window opens.
9. Select the recently downloaded firmware file and click Open.
10. Click Update. PreForm begins to upload the firmware file to your printer.
11. Tap Continue on the touchscreen to finish the installation.
12. If you are not prompted to Continue, continue the firmware update manually. Tap Settings > System > Firmware Update.
13. After the firmware update installs, confirm the system restart on the touchscreen or wait 30 seconds for an automatic restart.