Microtek ScanMaker 4700 User Manual page 96

Quick Tips for Best Scans
has tools to improve image quality, they work only up to a certain point.
Images that are out of focus, dirty, or poorly exposed may never look
great - no matter how much time and effort you spend retouching them.
ScanWizard 5 scans halftone images such as magazine photos using
special settings. If you scan magazine or newspaper photos without
descreening the image, you will obtain something called a moiré, which is
an undesirable pattern in color printing and appears as a series of dots or
grids on your image.
Keep your scanner clean
Make sure your scanner glass is clean before you scan images. This way,
you don't pick up flecks of dust along with the image when you scan. To
clean the scanner glass, use alcohol on a lint-free cloth and clean the glass
carefully.
Select the right image type and settings
Choose the right image and set the correct resolution and scaling before
you scan.
If you have single-color art (even if it isn't black and white), scan it
as line art.
For black and white photos, scan these as grayscale (not color) to
generate smaller files.
If you plan to print a color scan in black and white, scan it in
grayscale.
Finally, when scanning (whether in color or another mode), choose the
correct resolution.
Use your image correction tools
When scanning color images to obtain more accurate colors, use the
ScanWizard 5's Color Matching System and the Advanced Image
Correction feature.
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