screen_dead_pixel
Moderate
Elegoo · Resin (SLA/MSLA) 3D Printers
LCD Masking Screen Has Dead Pixels or Damaged Areas
Quick Answer
Error code SCREEN_DEAD_PIXEL on your Elegoo Resin (SLA/MSLA) 3D Printers means: LCD Masking Screen Has Dead Pixels or Damaged Areas. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Run the LCD test pattern from the printer menu to display a full white and full black screen and visually inspect for dead spots
2
Check for resin residue around the LCD edges and clean carefully with isopropyl alcohol
3
If dead pixels are clustered in the print area, the LCD needs replacement as it will cause print defects
4
Note the total LCD usage hours (some printers track this in the settings menu) to determine if it has exceeded its expected lifespan
5
Order a replacement LCD specific to your printer model (resolution and size must match exactly)
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
Replacement mono LCD screen (model-specific: 10-inch 12K for Saturn 3, 9.1-inch for Mars 4, etc.)
LCD protective film or tempered glass protector
Optical adhesive (LOCA) for LCD mounting if required by model
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