ProfeVision Docs

Scanning issues

QR, detection, and errors

Scanning issues

QR is not detected

Solutions:

  1. Ensure complete QR is in the photo
  2. Improve lighting
  3. Avoid shadows on the QR
  4. Don't fold the sheet over the QR
  5. Clean the camera

Answers are detected wrong

Possible causes:

  • Poorly filled bubbles
  • Light pencil
  • Blurry image

Solutions:

  1. Tell students to fill completely
  2. Use dark pencil or pen
  3. Keep phone stable when capturing

"No exam detected"

System couldn't read the QR. Check:

  • QR visible and complete
  • Correct sheet (from correct exam)
  • Good lighting

"This exam doesn't belong to you"

Sheet belongs to another teacher. Verify it's your exam.

Scanning is very slow

  • Check your internet connection
  • Wait and retry
  • Server may be busy

If an error persists, capture a screenshot and contact support.

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