You can choose any resolution for scanning, however it is best to take into consideration the size of the file that will result and what the business archiving space/requirements are. For most documents, a 300dpi is optimum as it is detailed enough for important information (such as signatures,......
[open]There are many ways to improve quality, however the cleaner the source, the better and less intensive the extraction process will be. Our products contain a set of filters (such as despeckling, skewing, etc) that can help clean up a document, but again, it is always best to start at the source......
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