SETTING UP THE PRINTER CONTROLLERXEROX DOCUPRINT 4850/4890 IPS GUIDE TO CONFIGURING AND MANAGING THE SYSTEM 3-3Specifying the system interfaceThis section describes the procedure for specifying the network orchannel interface for your system. Your options are Channel andTCP/IP.Note: You can have a bus and tag channel connection plusmultiple TCP/IP connections (Token Ring and Ethernet) installed atthe same time. Your TCP/IP selection is made at installation andenabled by your service representative. You cannot switch printingbetween channel and TCP/IP without performing the followingprocedure.1. From the Configuration pull-down menu, select Interface. TheInterface window displays.2. From the Select Interface pull-down menu, use the right mousebutton to select the interface you want. Your selection displaysin the lower-right corner of the window.Figure 3-2. Interface window displaying the Select Interfacepull-down menu3. Make the appropriate selections and entries on the ChannelOptions or the TCP/IP Interface window. (Refer to the“Selecting channel interface” or the “Selecting TCP/IP interface”section later in this chapter.)Caution: Selecting the wrong interface for your equipment—that is, selecting TCP/IP for a system with an HCU enabled, orselecting Channel for a system without an HCU—can cause theparser to shut down, making the system unable to print. If thishappens, you must reboot the Printer Controller, then changeyour interface selection.