DUST-BLOBS-LP
Epson · Epson EpiqVision Ultra LS500 4K PRO-UHD Ultra Short Throw Laser Projector with Android TV
Dark or fuzzy spots visible in the image — dust on the lens surface, internal mirrors, or LCD panels; clean the external lens carefully with a microfiber lens cloth; internal cleaning of an ultra-short-throw laser projector requires professional service due to the complex optical path
Error DUST-BLOBS-LP on the Epson Epson EpiqVision Ultra LS500 4K PRO-UHD Ultra Short Throw Laser Projector with Android TV means: Dust Spots in Projected Image. The top-ranked community fix is “Professional Internal Optical Path Cleaning” (hard difficulty, ~90 min, DIY cost: $0). 2 community-ranked fixes available below.
Published February 2026 · 2 fixes · projector
Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.
While many projector repairs can be done safely at home, consider hiring a qualified technician if:
Average professional repair cost for this issue: $350-$500.
Laser Projector Fan Failure
Excessive Fan Noise
Air Filter Cleaning Required
No HDMI Signal Detected
Image Out of Focus
Keystone Correction Not Working
Laser Module Overtemperature
Laser Source Nearing Service Life
The Epson Epson EpiqVision Ultra LS500 4K PRO-UHD Ultra Short Throw Laser Projector with Android TV has 8 other known error codes:
Ad Space — banner
Replace ADSENSE_PUBLISHER_ID in AdUnit.tsx
