101
Moderate
Formlabs · Professional Resin 3D Printers
Galvanometer Error - Laser Steering Mirror System Malfunction
Quick Answer
Error code 101 on your Formlabs Professional Resin 3D Printers means: Galvanometer Error - Laser Steering Mirror System Malfunction. This is usually fixable — see the step-by-step guide below.
Likely Causes
How to Fix It
1
Run the full diagnostics suite from the printer touchscreen: Settings > Diagnostics
2
Check the galvanometer diagnostic report on the Formlabs Dashboard for specific axis errors
3
If the error appeared after the printer was moved or shipped, it may need recalibration
4
Contact Formlabs support with the printer serial number and diagnostic logs
5
Galvanometer service requires return to Formlabs or an authorized service center
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Galvanometer assembly (Formlabs factory service part)
Galvo calibration service from Formlabs
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