The quality of the scanned image depends as much on the scanner as on the scan settings . Usually , you need to be careful about two things; Scanning with high quality settings , and correcting scan errors(lines and Patterns ) that are not intended to be on the page . Use appropriate resolutions for scanning – 300 to 600 dpi is good for photos . Keep the scan setting at the maximum colour depth the scanner supports .

When you scan content from magazines or newspapers , you will notice a lot of lines on the scanned image. The best way to reduce this pattern is to use the Descreen/Auto Descreen option in the scanner software . Ghost images (dark areas picked up from the back of the page ) can usually be corrected by changing the brightness and contrast settings . Experiment with these controls to find the best settings . Experiment with these controls to find the best settings for your scanner . You can also , place a thick white paper over the document being scanned to reduce this effects .

Always Ensure that the glass on the flatbed is free from dust, fingerprints and other such marks , since these tend to show up on the scanned images . Uncompressed TIFF is the best format to save the scanned images , since it saves the images without any loss of quality .

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