ResolutionThe data in the image you have scanned is a collection of dots carrying information about brightness andcolor. The density of these dots is called "resolution," and resolution will determine the amount of detail yourimage contains. The unit of resolution is dots per inch (dpi). Dpi is the number of dots per inch (2.5 cm).The higher the resolution (value), the more detail in your image; the lower the resolution (value), the lessdetail.How to Set the ResolutionYou can set the resolution in Resolution on the (Scanning from a Computer) tab of the Settingsdialog.Appropriate Resolution SettingsSet the resolution according to the use of the scanned image.Item Type Use Color Mode AppropriateResolutionColor photoCopying(Printing) Color 300 dpiCreating a postcard Color 300 dpiSaving to a computer Color 300 dpiUsing on a website or attachingto e-mail Color 150 dpiBlack and white photoSaving to a computer Grayscale 300 dpiUsing on a website or attachingto e-mail Grayscale 150 dpiText document (document ormagazine)Copying Color, Grayscale, orBlack and White 300 dpiAttaching to e-mail Color, Grayscale, orBlack and White 150 dpiScanning text using OCR Color or Grayscale 300 dpiImportant• If you double the resolution, the data size of the scanned image quadruples. If the file is too large, theprocessing speed will slow down significantly, and you will experience inconvenience such as lack ofmemory. Set the minimum required resolution according to the use of the image.Note• When you will be printing the scanned image by enlarging it, scan by setting a higher resolution thanthe recommended one above.467
