You can usually find a scanner on the top of a printer .Scanners are used to convert data from the printer. after a printer has been scanned it can be modified. It can also be sent in an email like any other file. Although most scanners perform the same operation. There are 4 different types of Scanners.
The first type Scanner is the all in one Scanner. A combination device which can print, scan, fax and also make copies.
The second printer is the flatbed scanner. This is a single purpose device that converts hard copy data to an electronic image.
The third type of Scanner is the drum Scanner. This is a high quality scanner than spins film around a drum while a fixed laser or another beam of light captures the image as it spins.
The fourth scanner is a hand held scanner. A portable scanner which is small enough to drag text in books and other materials.
