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Different Scanner Categories
The world is now in the digital age for quite some time now. This means that people are trying to do away with using papers in order to control wastages and save mother earth. That is why the thrust of today's technology is to convert everything to the digital format. People digitize their bills, receipts, photos, drawings, legal documents, and much more other things so that paper will no longer be needed. If people ought to do all of these, the scanners are the best equipment that could help people achieve the goal of a paperless world. This source will inform people that every year image scanner is improved so there are new designs that come out every now and then and the majority that can be found on the market today can be categorized into the pen, sheet-fed, and handheld. All of which has the purpose to scan documents.
 
The sheet-fed type is the largest of the three main types of portable scanners. Compared to flatbed scanners that need a considerable amount of space, a sheet-fed scanner is much smaller in size and more portable. In a flatbed scanner, the item to be scanned is placed face down on a glass panel at the top of the machine, with the cover closed, much like a photocopier machine. On the other hand, a sheet-fed comes with a tray that can hold a considerable number of sheets all at once. These sheets are then fed through vertically one at a time via the scanner. An obvious limitation of the sheet-fed compared to the traditional flatbed is that the former requires sheets to be separated.
 
The limitation of sheet-fed scanners is that you cannot scan pages of a book without ripping the pages off first. In addition, paper jams, just as in the automatic feeders of printers, are possible. Another disadvantage is the typically lower resolution of the scans. The advantages, of course, are the portability and compact size, as well as the ability to scan large quantities of documents quickly by stacking them into the tray without much supervision. The sheet-fed scanners can usually be powered by USB connection to your computer alone, which is another factor contributing to their portability and is energy efficient since it does not require a dedicated power outlet.
 
Handheld scanners need a steady hand to use. You must first place the item to be scanned flat down on a stable surface. Then place the scanner at the top of the item and move or roll the former down at a consistent, steady rate. Such handhelds are cheaper and more portable compared to the sheet-fed type and some typically run on batteries or sometimes USB connections.
 
The smallest of the portable or mobile scanners are pen scanners. They look like bulky plastic pens and you use them as you would a highlighter pen.
 
If you are looking for the best handheld scanners on sale at a good price, you can view different websites. You can also read a review of the VuPoint Magic Wand Portable Scanner if you would want to.