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• 

  Anastasiya Nechaeva

  • 2015年08月12日 19:07

  Hello Dan Ayo,
  
  The recommended raster dot size is 0.39 pt (0.137 mm), so you use the proper value.
  Do you have any issues with recognition?
  
  
  

  いいえ 0 はい
• 

  Permanently deleted user

  • 2015年08月12日 19:23

  Thanks Anastasiya,
  
  We recently decided to start using light pastel colored paper. It seems because there is less contrast between light blue and black than white and black, the dots appear slightly larger in the image file after being scanned. I plan to reduce the dot sizes so that they are larger enough for the person filling the forms to see the boxes, but not so large as to not be despeckled.
  
  We can use a setting on the scanner (Fugitsu) that will drop out the back ground color, but we'd prefer not the change the scanner profile if possible. We scan 300 dpi black and white tiffs.
  
  Thanks for your help with this,
  Dan Ayo
  

  いいえ 0 はい
• 

  Anastasiya Nechaeva

  • 2015年08月15日 00:19

  In this case you can try the following:
  
  1. Check if the dropdown “Marking type” has the value “Grey boxes”.
  2. Try to find the best value of garbage size for despeckling.
  

  いいえ 0 はい

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