Tips on Brightness Tuning

To be recognized, a scanned image must be legible. Check the legibility of the image in the Zoom window.

 - an example of an image that is appropriate for OCR

If you see that the scanned image is compromised (characters are glued or torn), consult the table below to find ways to improve image quality.

Your image looks like this:    Possible remedy:

 

characters are "torn" or very light 

  • Lower the brightness (to make the image darker).

  • Scan in gray mode (to activate brightness autotuning).

characters are distorted, glued, or filled 

  • Increase the brightness (to make the image brighter).

  • Scan in gray mode (to activate brightness autotuning).