¶ Required Tools
- 2.0 mm hex screwdriver
- Cable tie
- Sealed bag
¶ Troubleshooting Steps
¶ Restore Factory Settings
1.Power cycle the printer and retest LCD exposure.
2.If power cycling does not resolve the issue, perform the following on the touchscreen:
Settings → App Settings → Restore Settings to Factory Version
¶ Update Firmware
1.On the touchscreen, navigate to:Settings → Version Upgrade → Check for updates
2.Power cycle the printer, confirm the firmware update is successful, then retest LCD exposure.
¶ Inspect LCD Ribbon Cable Connector – Mainboard Side
1.Power off the printer and unplug the power cord.
2.Use the 2.0 mm hex screwdriver to remove the five screws securing the right side panel and remove the panel.
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3.Remove the tape securing the LCD ribbon cable.
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4.Release the latch and reseat the LCD ribbon cable.
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Ensure the white line side of the LCD ribbon cable faces upward
The LCD ribbon cable must remain parallel to the latch
The image below shows the appearance of the LCD ribbon cable when it is properly connected
¶ Inspect LCD Ribbon Cable Connector – LCD Side
1.Power off the printer and unplug the power cord.
2.Release the latch and disconnect the LCD ribbon cable from the mainboard side.
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3.Lift the automatic feed assembly. To prevent resin leakage, seal the automatic feed assembly outlet with a sealing bag and zip tie.
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4.Remove the two knurled handles.
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5.Remove the resin vat.
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6.Peel off the PET insulating film along the edge.
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7.Use the 2.0 mm hex screwdriver to remove the ten screws securing the LCD.
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8.Using the 2.0 mm hex screwdriver, gently lift the LCD screen from the upper-left corner.
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9.Check whether the LCD-side ribbon cable is loose and reseat the LCD ribbon cable.
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Ensure the white line side of the LCD ribbon cable faces upward
The LCD ribbon cable must remain parallel to the latch
The image below shows the appearance of the LCD ribbon cable when it is properly connected
¶ If the Issue Persists
Please contact technical support by email (3dp@elegoo.com) and provide the following:
- A recorded video showing the touchscreen path: Exposure → Check LCD Status