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Using Scanners

When you connect a Plug and Play scanner to your PC, the Scanner and Camera Wizard appears, just as it does for a camera. The wizard’s pages are similar to those described in “Transferring Photos to Your Computer” earlier in this chapter, with these differences:

  • On the Choose Scanning Preferences page, specify black-and-white, color, or grayscale scanning and the part of the page you want scanned.

  • On the Picture Name and Destination page, select an image format listed in Table 9.1.

    Table 9.1. Image-File Formats
    BitmapWindows bitmap (.bmp) images tend to be large, because this format can’t be compressed. BMP is almost always the wrong choice for scanned documents and photos.
    JPEGJoint Photographic Experts Group (.jpg/.jpeg) files are highly compressed and an excellent choice for scanning photos, particularly if you’re going to post them on the web. But the JPEG process sacrifices image detail permanently during compression. In most cases, the loss is invisible for onscreen viewing.
    PNGPortable Network Graphics (.png) files, which all modern browsers support, is patent- and license-free, and retains all detail during compression.
    TIFFTagged Image File Format (.tif) files are compatible with most image-editing programs, even ancient ones. TIFF is a good choice for scanning text documents and grayscale images. TIFF’s compression, like PNG’s, preserves detail but results in larger files than JPEG. You can scan multiple pages into a single TIFF file; the Windows Fax program does this to store faxes.



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