11 Setups192 Xerox WorkCentre 4260 User GuideForeign Device Interface (FDI)A third party access and accounting device such a coin-operated or a card readercan be attached to the machine. To enable this option, the Foreign DeviceInterface kit must be installed. Follow the installation instructions which aresupplied with the kit.Once the FDI kit is installed, the Administrator must enable the FDI usingCentreWare Internet Services, as follows:Authentication and AccountingAuthentication works independently of any accounting access that is enabled onthe machine. If an accounting feature requires a user to enter account details, thiswill be required in addition to the authentication service that has been enabled.For further information on Authentication refer to the System AdministratorsGuide.Immediate Image OverwriteImmediate Image Overwrite is a security measure for customers who areconcerned about unauthorized access and duplication of classified or privatedocuments.The Immediate Image Overwrite feature erases all residual image data from themachine immediately after each job has been processed without requiring themachine to be taken offline.When the Network Controller is fitted, the feature overwrites the following jobs:• Print• Scanning• Server Fax send (when an Embedded Fax card is also fitted and enabled)When the Embedded Fax card is fitted and enabled, the feature overwrites thefollowing jobs:• Embedded Fax receive• Embedded Fax send• Server Fax send (when a Network Controller is fitted)• Embedded Fax reportOn Demand Image OverwriteOn Demand Image Overwrite is a security measure for customers who areconcerned about unauthorized access and duplication of classified or privatedocuments.The On Demand Image Overwrite feature provides an on-demand facility for aSystem Administrator to erase all residual image data from the memory of the