The question if you should purchase a Stand-Alone Scanner or opt for an All in One printer raises many questions. Have you got space for a scanner and a printer? Is the scanning function and resolution pretty much as good with cafe printer similar to the Stand-Alone Scanner model? How about price, is the combined price of Scanner and Printer much more than an Multi functional. Lets discuss some of these issues and a lot more.
Most modern scanners used in your home as well as in small businesses can be used for optically scanning an image, a photograph or even a text document. The most famous form of scanner that can be found is the flatbed scanner, sometimes also known as the desktop scanner. Documents are usually placed on a sheet of glass and the lid will then be closed during scanning. There are other handheld scanners and in addition scanners that move the object within the light source, but we will concentrate on the flatbed scanner.
Flatbed scanners normally employ certainly one of two methods for scanning an image, a Charge-Coupled Device (CCDD) or perhaps a Contact Image Sensor. The optical sensor, or variety of sensors is normally on a moveable arm and contains red, green and blue (RGB) filters. Quality is generally dependant on colour depth and manufacturers will usually quote the resolution in PPI or Pixels Per Inch, with a typical figure being around 5400 PPI.
So that you can process the image created by a standalone flatbed scanner, then the link with a computer is needed and many flatbed scanners connect to the parent computer by means of a high speed USB connection, although a Parallel Serial Port or SCSI (Small Computer System Interface) is oftentimes used. A few of the clever stuff will not be in the scanner itself but will be based in the Computer Program that actually processes the picture. These programs often provide a number of features designed to correct difficulties with the picture, like brightness and glare. Another important feature of these, often bundled software is the cabability to edit the created images and to compress those images using some kind of lossy compression format just like the popular JPEG format.
Unless the uv printer is an expensive, specialised scanner, there is often little difference in quality involving the average flatbed scanner as well as a scanner that is certainly a part of an All in One system. One of the important things to look for would be that the colour depth reaches least 24-bit as well as the optical resolution is around 1200 dpi (dots per inch) or better, although a exdldi of 600 dpi is often sufficient if nearly all scanning is going to be text documents.
An often important aspect of an All in One Printer, Copier, Scanner is the opportunity to be connected to either a wired or wireless network, and often both. This allows the output of the scanning facility to shared on the network or easily transmitted as a file or even a file attachment to an email.
Personally, I have used both dtg printer and All-in-one systems over the years and discover little general difference in quality, however the All-in-one system is often more practical due to the space saving and the truth that a different power outlet does not have that can be found for that additional scanner. However, for a small company owner who scans a lot of documents, a separate stand-alone scanner will usually provide the cabability to scan and print simultaneously and allow multiple users easier access to the scanning device.
To summarize, there is often little difference in quality between material produced with all the stand-alone scanner and this from the multi functional system, except maybe in expensive high end stand-alone models. The all-in-one system is often a better purchase for the normal home user, whereas your small business might think about the stand alone option for flexibility.