Canon MultiPASS C530 Software Manual page 258

3. In the Remove Dust dialog box, click Dark and/or Light, depending on the color of the
dust.
4. Drag the Threshold slider according to the deviation of the dust from dark to light.
5. Drag the Removal slider to the left to remove less dust or to the right to remove more dust.
Moving the slider to the right blends the dust more with the background color that
surrounds the dust. As you drag the Removal slider, your changes appear in the Current
thumbnail. You can compare the changes to the Original thumbnail.
You can also use the zoom buttons to magnify the thumbnails.
6. Click OK to accept your changes. Click Cancel to leave the image unchanged.
Chapter 5 Working With Documents 5-68