The cost of electronics is such that combined scanner-printers sometimes have built-in fax machines. However, low-end scanner-inkjets can provide color copying at a lower purchase price but with a much higher cost per copy. A really good home copy machine might cost 195. Low-end copiers also use digital technology but tend to consist of a standard PC scanner coupled to an inkjet or low-end laser printer, both of which are far slower than their counterparts in high-end Xerox copiers. The average office copier machine costs 1,620 with higher-grade commercial copiers reaching 15,500 41,000 depending on printing speed, quality, and advanced features like stapling, scanning, and faxing options. In an analog copier, either each page is scanned 20 times (a total of 400 scans), making one set at a time, or 20 separate output trays are used for the 20 sets. Some digital copiers can function as high-speed scanners such models typically offer the ability to send documents via email or to make them available on file servers.Ī great advantage of digital copier technology is "automatic digital collation." For example, when copying a set of 20 pages 20 times, a digital copier scans each page only once, then uses the stored information to produce 20 sets. This design has several advantages, such as automatic image quality enhancement and the ability to "build jobs" (that is, to scan page images independently of the process of printing them).
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