Scanner and scan quality requirements

Recommended scanner settings

  • Use high-quality scanners or scanning apps
  • Resolution:
    300 DPI or higher
  • Color mode:
    Color or grayscale
  • File format:
    PDF (native PDFs preferred)

PDFs

  • Native PDFs
    (created digitally) provide the best extraction accuracy
  • Scanned PDFs
    (images converted to PDF) may have lower confidence levels
  • Ensure scans are clear, legible, and properly oriented
  • Avoid blurry, skewed, or low-resolution images

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