Scanners have become a very important device in offices and at homes too. This marvel in technology comes with many features which facilitate use in different areas of an office or home. There are document scanners, photo scanners, bar code scanners and Xerox scanners in different ranges with regard to features available and price. In this competitive age, companies are continuing to come out with very good models of scanners.
Photo Scanners can do high optical resolution up to 4800 horizontally and 9600 vertically. It can have features like high speed USB, 48-bit colour compatibility, utility of power up to 230 volts and of flat-bed design. Since the design is flat-bed, it can be placed anywhere for convenience. It will be compatible with quite a few operating systems. 220 x 300mm sized media can be used in these scanners. Supportive media would be paper, slides, films and books. Some companies have scanners which feed media automatically without any manual assistance. It is capable of scanning 25 to 30 pages per minute depending on colour or black and white. Automatic duplexing can be incorporated.
Document Scanners offer diverse scanning options for black and white and colour scanning. When duplexing, it can do 80 images per minute. They come in different dimensions and weight. Optical resolution is 300 dpi x 300 dpi (dots per inch). Supported media size is 257 x 364 mm. This facilitates printing of different sized envelopes, papers and post cards. Desktop document scanners have a storage capacity of 100 sheets with the maximum document size going up to 257 mm x 364 mm along with the feature of automatic duplexing. It will have auto load media feeder with resolutions of 8-Bit or 256 grey levels and 24-Bit or 16.7 million colours. This assures perfection in all its imaging and printing techniques. This is economically priced and good for offices and homes. There are high speed document scanners which are PC compatible with a maximum resolution up to 600dpi, have USB 2.0, SCSI, A3 media and auto load feeder. Its scanning speed is up to 60 to 110 ppm, does duplex colour scanning, and has image enhancement technology, RTIV (“Reliable Throughput Imaging Viewer”), per day duty cycle up to 10,000 pages, ultra sonic double-feed detection, just to name few other features.
Barcode Scanners scan bar codes printed on different types of products. Hard-to-read bar lines can be scanned in just a few seconds. It can be hands-free or handheld. Hands-free scanning is good for reading bar codes on small items. Handheld scanners are the best for reading bar codes on larger items.
Xerox Scanners give perfect printed material in minutes. The flat-bed design supports plain paper media. It is available in 48-bit colour maximum colour depth, which supports A3 (297 x 420 mm) media size. Digital image correction in binary and colour distinction is beyond comparison. Its maximum H-optical resolution is 600 dpi and maximum V-optical resolution is the same. Because of the identical optical resolution, the images printed are clear. Interface type USB 2.0 helps receiving data clearly.
Scanners have helped save time and energy at office and at home. Those days of sitting at the typewriter with carbon paper for making copies are long forgotten!
Checkout reviews on Barcode scanners, Flatbed scanners and Business Card scanners at scanner reviews website.
