11 SetupsXerox Phaser 3635MFP User Guide 195Optional ServicesDepending on your machine configuration, you may have access to thefollowing services. This utility allows you to enable or disable options at anytime, where installed. In most cases no reboot is necessary.Tools > User Interface > Service EnablementsNetwork ScanningFor information on Network Scanning, refer to Network Scanning on page 92.E-MailFor information on E-mail, refer to E-mail on page 103.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 moreinformation, please refer to the System Administration CD.Foreign Device InterfaceThe Foreign Interface Device is a card that is fitted inside the machine to allowa third party device such as a coin operated device or a card reader to beattached to the machine. The coin operated device or card reader allows youto 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.