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You will not get acceptable results if you scan the photo at 300 dpi and then enlarge it in your layout program.

If the original image is smaller than the size it will be in your file, you need to adjust your scanner settings.If the original image is larger than the size it will be in your file, simply scan at 300 dpi.If in doubt, overestimate the size you will need. Before you scan, you need to know what size your image will be in your design layout.Artists, photographers and other users who need critical color accuracy and quality control often are best served with a professional drum scan. No weight should ever be set on top of a flatbed scanner, as it will warp the glass bed and cause undesired color shadows. Most home and office users use flatbed scanners. If we indicate that some of your images have low resolution, they may not look bad on your monitor but will likely print blurry or jagged. Recommended minimum resolution for printing is 300 dpi computer monitors generally have a display setting of 72 dpi or 96 dpi.Resolution can only be improved by decreasing the image size, or by recapturing the image at a higher quality setting. The settings used during the original “capture” of an image (ie: scanning, digital camera, etc) determine its base resolution.Low resolution images print fuzzy, jagged and blurry.Example: a 2 x 2″ image at 300 dpi (acceptable) enlarged to 4 x 4″ has a new resolution of 150 dpi (unacceptable). Enlarge an image, the resolution decreases reduce an image, the resolution increases. Resolution and image size are inversely proportional to each other.Images which include text should be 400 dpi at the final size in the layout.Images should be 300 dpi (dots per inch) at the final size in the layout.