Page 14-4Xerox Document Centre 440/432/420 User GuideDuplex referring to a document that contains an image on both sidesof the page.Document Feeder an assembly that automatically separates and feeds double-sided documents from the input tray into the scanner.Ethernet a network transport technology commonly used to send datafrom one node to another.External Accounting Server(EAS)a network server used to access account information.Facsimile (Fax) a document that is transferred from one location to another viatelephone line.Factory Defaults settings which are incorporated into the machine at the factoryand used by the machine when the user does not specifysettings.File Server a computer that has a hard disk drive large enough to hold andshare files. It provides the ability for multiple users tosimultaneously access the same file.Forced 4800(DC420) a setting that minimizes errors on telephone lines in areas oflow-quality communications or noise.Foreign Interface Device a device (such as a magnetic card reader, coin-operateddevice, or bill acceptor) that is connected to the exterior of themachine and used to track machine usage.Frame a group of data sent through the network.Gray Scale Copying(DC420) programming that enhances the image quality of a documentbeyond basic settings.Group Dialing a form of abbreviated dialing that enables the dialing of multiplelocations by entering one three-character code. The machinestores the image in memory and then transmits it to eachlocation.