You are unsure of the set IP address.Viewing Network Settings(P. 180)The connection method cannot be switched between a wired LAN and awireless LAN.● Did you select a wired LAN or a wireless LAN on the operation panel on the machine as well? This selection isrequired to have the machine switch to your selection.Selecting Wired LAN or Wireless LAN(P. 153)You are unsure of the SSID or the network key of the wireless router to beconnected. The SSID is not displayed on the screen.● Check whether the SSID can be found on the wireless router or package box.● Check the SSID or the network key of the wireless router by using Canon MF/LBP Wireless Setup Assistant.Checking the SSID and Network Key(P. 169)The SSID of the wireless router to be connected is not displayed in the accesspoint list.● Check whether the SSID is correct.Checking the SSID and Network Key(P. 169)● If the SSID of the wireless router is hidden (using a stealth mode*), set the SSID to be visible on the wirelessrouter.* A mode that disables the SSID auto-detection of other devices.● Check whether the machine is properly installed and ready to connect to the network.When the machine cannot connect to the wireless LAN(P. 397)The machine dials up to an unintended connection destination (if a dialuprouter is connected to a network).● If a dialup router does not need to pass broadcast packets, set the dialup router so that the broadcastpackets will not pass. If the dialup router needs to pass broadcast packets, check whether the settings arecorrect.● If a DNS server is located in an external network, set the IP address to be connected, not the host name, evenif connecting to the devices that are on the network that is connected to the machine.● If a DNS server is located on a network that is connected to the machine and the information about thedevices that are connected to an external network is registered to the DNS server, check whether the settingsare correct.When the machine cannot connect to the wireless LANCheck the status of your computer.● Have the settings of the computer and the wireless router been completed?● Are the cables of the wireless router (including the power cord and LAN cable)correctly plugged in?Troubleshooting397