11 SetupsXerox Phaser 3635 User Guide 197Optional ServicesDepending on your machine configuration, you may have access to the followingservices. This utility allows you to enable or disable options at any time, whereinstalled. In most cases no reboot is necessary.Tools > User Interface > Service EnablementsNetwork ScanningFor information on Network Scanning, refer to Network Scanning on page 94.E-MailFor information on E-mail, refer to E-mail on page 105.Network AccountingTo enable this option, set the authentication mode in Access and NetworkAccounting to Network Accounting.To disable this option, set the authentication mode in Access and NetworkAccounting to something other than Network Accounting. For more information,please refer to the System Administration CD.Foreign Device InterfaceThe Foreign Interface Device is a card that is fitted inside the machine to allow athird party device such as a coin operated device or a card reader to be attachedto the machine. The coin operated device or card reader allows you to provide pay-for-print services on your machine.Embedded FaxFor information on the Embedded Fax feature, refer to Fax on page 59.Server FaxFor information on the Server Fax feature, refer to Fax on page 59.USB PortOn some devices you can store scanned documents on a USB thumb drive andprint documents from a USB thumb drive. In order to use these services, the USBPort must be enabled.For information on storing scanned documents to a USB thumb drive, refer to theStore File chapter.For information on printing from a USB thumb drive, refer to the Print Files chapter.