Really appreciate all of the reported issues, which are helpful for us to debug and get you answers and solutions. Here’s a bit more detail for anyone who sees an Error 41 message from the Form 2:
Error 41 indicates an error reading the galvanometers, based on the printer’s hardware and firmware version. To resolve an Error Code 41 message, update the Form 2’s firmware.
- Install the lastest version of PreForm.
- Check the changelog and download the latest firmware from Formlabs.
- Update the printer’s firmware. Instructions from formlabs.com/support.
Please contact our team with any further questions or reports of Error 41 messages on the Form 2. We’re working to correct this error in an upcoming update; it’s important to us that we can track these issues to fully resolve and prevent the error message for you.
[Edited 8 Aug 2016: removed direct links to older PreForm and firmware versions. At this time and for the past several releases, the latest versions of software and firmware are the recommended first steps to resolve Error 41.]