Scan receipt, a review of the basics
For more demanding applications however, you may want to look into a higher resolution document scanner. If you are planning to scan photographs as well as documents, you may want to look into a flatbed document scanner. There are many different models of such scanners, and they can differ considerably with regard to design and functionality. If you want to capture your photo images with as much detail as possible, a 24 bit sampling document scanner would be the one to go for. If you require greater detail from your scanned images, you will have to go for a document scanner that is intended specifically for photographs.