Formlabs regularly releases updated firmware to fix bugs and improve functionality. Check your Form Wash L or Form Cure L firmware to ensure you're always up to date.

Download the latest firmware version for your Form Wash L or Form Cure L 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 Form Wash L or Form Cure L to the computer via Wi-Fi, USB or either machine to an Ethernet network.
3. Click File > Accessories. The Accessory List window opens.
4. Click the machine's serial name. The Device Details window opens.
5. Click Update in the upper-right corner of the Device Details window. The Firmware Update window opens.
6. Follow the on-screen instructions to download the latest firmware and then upload the file to the machine. To upload firmware, the machine must be connected to the computer via Wi-Fi, USB or the device must be connected to an Ethernet network.
7. The Form Wash L or Form Cure L may automatically recognize that you have sent a firmware update. Tap Continue on the touchscreen to finish the installation.
8. If you are not prompted to Continue, continue the firmware update manually. Tap Settings > System > Firmware Update.
9. After the firmware update installs, confirm the system restart on the touchscreen or wait 30 seconds for an automatic restart.

Formlabs packages Form Cure L V2 firmware updates with PreForm, as for the Form Wash and Form Cure. Use the FormWashCureUpdater utility, included with PreForm, to update your machine’s firmware.

For more information about the FormWashCureUpdater utility, see our article on Updating Form Wash and Form Cure firmware.

Form Cure V2 and Form Cure L V2 units do not support connectivity via USB C-to-C cables. When updating firmware, use a USB A-to-C that supports data transfer (with a dongle if needed to connect to your computer).

For more information on specific Form Cure L V2 firmware updates and which PreForm versions they are bundled with, see PreForm downloads and release notes.

If the touchscreen freezes during or after the firmware update, perform a power cycle to restart the Form Wash L or Form Cure L.

To power cycle the device:

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

If the Form Wash L or Form Cure L 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 Wi-Fi, USB or connect the device to an Ethernet network.
3. Open PreForm.
4. Click File > Accessories. The Accessory List window opens.
5. Click the machine's serial name. The Device Details window opens.
6. Click Update in the upper-right corner of the Device Details window. The Firmware Update window opens.
7. If you receive the Error checking for firmware updates notification, click Upload File.
8. Select the recently downloaded firmware file and click Open.
9. Click Update. PreForm begins to upload the firmware file to your machine.
10. Tap Continue on the touchscreen to finish the installation.
11. If you are not prompted to Continue, you must continue the firmware update manually. Tap Settings > System > Firmware Update.
12. After the firmware update installs, confirm the system restart on the touchscreen or wait 30 seconds for an automatic restart.