Scanning

Black and White documents – 200 Dpi min

Black and White Photographs – 300- 600 Dpi

Colour Document – 200 Dpi Min

Colour Photographs – 300- 600 Dpi

OCR recommended at 300 DPI

 

 

 

Source:

https://www.shorelinerecordsmanagement.com/blog/bid/17730/choosing-the-right-dpi-for-business-document-scanning

 

https://blog.mesltd.ca/what-is-the-best-dpi-for-scanning-documents