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F
130
Moderate
Formlabs · Professional Resin 3D Printers
Optical Window Dirty - Contamination Detected on Optics Path
Quick Answer
Error code 130 on your Formlabs Professional Resin 3D Printers means: Optical Window Dirty - Contamination Detected on Optics Path. This is usually fixable — see the step-by-step guide below.
Likely Causes
  1. Dust has accumulated on the optical window on the underside of the printer
  2. Resin dripped onto the optical window during tank removal or resin pouring
  3. Fingerprints on the optical window from handling during maintenance
  4. Condensation formed on the optical surface due to temperature changes
How to Fix It
1
Open the printer cover and carefully remove the resin tank to access the optical window
2
Use the Formlabs-provided PEC pad and isopropyl alcohol to gently clean the optical window in one direction (no circular motions)
3
Inspect the window for any remaining smudges or spots using a flashlight at an angle
4
Allow the window to fully dry before reinserting the tank
5
Avoid touching the optical window with bare hands during future tank changes
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
Formlabs PEC pads (lint-free optical cleaning pads)
Isopropyl alcohol (90% or higher)
Compressed air canister (for dust removal before wiping)
Related Error Codes
100101102110111
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