How Do Flatbed Scanners Work?
The Scanner A flatbed scanner has a clear pane of glass covering the inner workings and components. A fluorescent or xenon light sits underneath the pane and lights up the image placed on the scanner. Sensors placed below the light contain shades of red, blue and green. These lights and sensors strobe and reflect against the image. When the image is placed on the scanner, the upper covering is laid down on top of the image. This cover blocks out ambient light and any other light source in the area. The sensors run along the glass pane, reading the image based on its light reflection. This works only with images that have a solid background such as colored writing on a white page. It also involves work on the part of the user, to place the image correctly into the scanner and press the right button to begin the scanning process. Computer Connection For a flatbed scanner to work properly, it requires a connection to the computer. A cable attaches to the back of the scanner and then to an
