Scanners come in a variety of configurations. The type you should consider depends on both your planned scanning needs and your budget.


Drum scanners. This type of scanner provides the highest level of image quality. They are typically found at professional printing businesses. In a drum scanner, the original is attached to a cylindrical drum and rotated past the sensing elements. These scanners are very expensive, with capabilities that go well beyond the needs of desktop scanning.

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Once you have decided which type of scanner suits your needs, you then need to determine the scanner specifications, which are important in determining the quality of the scans. As you might expect, scanners with better specifications cost more. The good news is that you can get a scanner with very good specs for a very reasonable price. Scanner specs fall into two categories: color depth and resolution.


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