![]() Scanners work on the concept of reflection and transmission. ![]() Measure the available space and keep those dimensions handy when reviewing scanner specifications. Compact scanners work well, especially with a computer and printer. Smaller flatbed scanners support 8.5-by-11-inch pages only, while larger ones can scan up to 11 by 17 inches. The amount of space available in a home office or on a desk may influence the purchase. Depending on the model, users either insert the slide directly into a slot or place the slide in a tray. Slide scanners scan 35mm slides and film negatives.You can scan a page one line at a time with a pen-like scanning tool or, with a larger model, the entire document. They work when connected to a handheld device via USB or wirelessly and don’t require a lot of power to function. Portable scanners range in size from about as large as a pen to around a foot in length.A document scanner can process a large number of pages daily. Document scanners, also known as sheet-fed scanners, can handle different page sizes.Some photo scanners also come with photo-editing software. Photo scanners, ideal for scanning photographs and other images, provide color depth superior to that of a standard flatbed scanner.Some flatbeds support page sizes as large as 11 by 17, the maximum area for any scanner. Usually, the lid can adjust to fit larger documents, such as books and magazines. Flatbed scanners, the most common type, can scan almost any sort of paper document, depending on size.Scanners are available in various types that differ in functionality. Also keep in mind the amount of space available for the unit and how it will connect, wired or wireless. Will the scanner be used with paper only or with photos and receipts as well? Also consider the amount of scanning required, whether it will comprise single pages or hundreds of pages a day. To determine which model is best, users must consider their specific scanning needs. Photo: What to Consider When Choosing the Best Scanner
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