Installation/Settings Problems

Together with this section, see Common Problems.

Problems with the Wired LAN Connection

Remote UI is not displayed.

Check whether the LAN cable is connected properly and the IP address is set correctly, and then start the Remote UI again.
Connecting to a Wired LAN
Viewing Network Settings

Are you using a proxy server? If you are using a proxy server, add the machine's IP address to the [Exceptions] list (addresses that do not use the proxy server) in the Web browser's proxy settings dialog.

Is communication on your computer restricted by a firewall? If the Remote UI cannot be displayed because of incorrect settings, use the reset button to initialize the system management settings.
Restricting Communication by Using Firewalls
Initializing by Using the Reset Button

A connection to a network cannot be established.

The connection settings may not be set correctly. Use the MF/LBP Network Setup Tool to configure the connection settings.
Printer Driver Installation Guide

You are unsure of the IP address that was set.

Viewing Network Settings

The LNK indicator is off.

Use a straight-through Ethernet cable for the wired LAN connection.

Check that the hub or router is turned ON.

Do not connect the cable to the UP-LINK (cascade) port of the hub.

Change the LAN cable.

Problems with the USB Connection

Communication is not possible.

Exchange the USB cable. If the USB cable is a long one, exchange it for a shorter one.

If you are using a USB hub, connect the machine directly to your computer using a USB cable.

Problems via the Print Server

You cannot find the print server to connect to.

Are the print server and computer connected correctly?

Is the print server running?

Do you have user rights to connect to the print server? If you are not sure, consult the print server's administrator.

Is [Network discovery] enabled? (Windows Vista/7/8/Server 2008/Server 2012)
Enabling [Network discovery]

You cannot connect to a shared printer.

On the network, does the machine appear among the printers of the print server? If it is not displayed, contact the network or server administrator.
Displaying Shared Printers in the Print Server