Summary

28 IT Essentials: PC Harware and Software Companion GuideTable 7-9Drum Scanner Pros and ConsAdvantagesHigh-end image resultsDisadvantagesExpensiveDifficult to operateDescribe the Installation and ConfigurationProcess for ScannersWhen you purchase a scanner, the installation and configuration information is usually suppliedby the manufacturer. An installation CD that includes drivers, manuals, and diagnosticsoftware is included with the scanner. The same tools may also be available as downloadsfrom the manufacturer’s website.After completing this section, you will meet the following objectives:■ Explain how to power and connect a scanner.■ Describe how to install and update the device driver.■ Identify configuration options and default settings.Explain How to Power and Connect a ScannerLike printers, scanners can connect to a computer using the USB, FireWire, network, orparallel port interface. Some scanners may connect using a SCSI interface.Scanners that are built into an all-in-one device should be plugged directly into an AC walloutlet. This provides the AC current necessary to operate the all-in-one device. Other typesof scanners may acquire power through the USB or FireWire connector.After unpacking the scanner, connect the appropriate power and data cables. Use the scannerdocumentation as your guide, or check the manufacturer’s website for instructions.Describe How to Install and Update the Device DriverAs soon as you have connected and started the scanner, the computer operating systemmight be able to discover the scanner through the plug-and-play process. If the scanner isdiscovered, the operating system might automatically install a driver.After you set up a scanner, install the driver software that the manufacturer includes withthe scanner. This driver is usually more current than the drivers on your computer. It mayalso provide more functionality than the basic driver from Windows.