usb_read_error
Easy Fix
Elegoo · Resin (SLA/MSLA) 3D Printers
Cannot Read Files From USB Storage Device
Quick Answer
Error code USB_READ_ERROR on your Elegoo Resin (SLA/MSLA) 3D Printers means: Cannot Read Files From USB Storage Device. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Remove and reinsert the USB drive firmly into the printer
2
Format the USB drive as FAT32 on a computer and re-copy the print files
3
Try a different USB drive (preferably USB 2.0, 16-32GB, FAT32)
4
Re-slice the model in the slicer software (Chitubox, Lychee, or VOXELDANCE) and transfer the fresh file
5
Clean the USB drive contacts with isopropyl alcohol
Pro Tip
This is a common issue that most users can resolve without specialized tools. Try the first step before moving on to more complex solutions.
Parts You May Need
Replacement USB flash drive (USB 2.0, 16GB or 32GB, FAT32)
USB extension cable (if the port is hard to access)
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