Epson Perfection V500 - Manual (Page 130)

Click the Preview button to preview your image(s), then select your scan area. See one of
these sections for instructions.
Documents or photos: Previewing and Adjusting the Scan Area
Film or slides: Previewing and Adjusting the Scan Area
Do one of the following to select the Dust Removal option.
Home Mode: Click the Dust Removal checkbox.
Professional Mode: Scroll down to the Adjustments area and click the Dust
Removal checkbox. If you want to increase or decrease the level of the dust
removal effect, click the + (Windows) or
(Mac OS X) button next to the option
and select a setting in the Level list.
Home Mode: