Summary

Chapter 7: Fundamental Printers and Scanners 25Figure 7-19Scanner Interfaces and CablesAll-in-one devices typically are used in home-office environments or where space is limited.These devices often are used with a computer but can operate alone to copy and faxdocuments.Table 7-6 lists some advantages and disadvantages of an all-in-one device.Table 7-6All-in-One Device Pros and ConsAdvantagesAll devices are built in: scanner,fax, and printerLow costUpgrades are easier: software isdesigned for all devicesConnection and setup are easy:one portDisadvantagesNot modular: if one device breaks, not all devicesmay be operationalNot designed for heavy useDescribe Flatbed ScannersFlatbed scanners, shown in Figure 7-20, are often used to scan books and photographs forarchiving. An electronic image is acquired by placing the book or photograph facedown onthe glass. The scanner head, consisting of an array of image sensors, lies beneath the glassand moves along the item, capturing the image.