RestrictionsWhen connecting another device while a device (such as a computer) is already connected to the printer,connect it using the same connection method as the connected device.If you connect using a different connection method, the connection to the device in use will be disabled.Connection Using a Wired Network cannot be performed on printers that do not support a wired connection.Connect via wireless router• You cannot establish a printer with wireless and wired connections at the same time.• Make sure your device and the wireless router are connected. For details on checking these settings,see the manual supplied with the wireless router or contact its manufacturer.As for a device already connected to the printer without using a wireless router, reconnect it via awireless router.• Configuration, router functions, setup procedures and security settings of wireless routers varydepending on the system environment. For details, see the manual for your wireless router or contactits manufacturer.• This printer does not support IEEE802.11ac. IEEE802.11a and IEEE802.11n (5 GHz) may not besupported depending on the country or region you live in. Check if your device supports IEEE802.11n,IEEE802.11g, IEEE802.11b or IEEE802.11a.• If your device is set to the "IEEE802.11n only" mode, WEP or TKIP cannot be used as a securityprotocol. Change the security protocol for your device to something other than WEP and TKIP orchange the setting to something other than "IEEE802.11n only."The connection between your device and the wireless router will be temporarily disabled while thesetting is changed. Do not proceed to the next screen of this guide until setup is complete.• When connecting to Wi-Fi outdoors, do not connect to a 5 GHz network (SSID).The 5 GHz band available for use with the printer includes the channels that are allowed for indooruse only, depending on your country or region.For details on the 5 GHz network (SSID) of your wireless router, see the manual supplied with thewireless router, or contact its manufacturer.• For office use, consult your network administrator.• Note that if you connect to a network with no security protection, your personal information could bedisclosed to a third party.Wireless DirectImportant• If a device is connected to the Internet via a wireless router, and you then connect it to a printer inWireless Direct mode, the existing connection between the device and wireless router will bedisabled. In that case, the connection of the device may switch to a mobile data connectionautomatically depending on your device. When you connect to the Internet using a mobile dataconnection, charges may apply depending on your contract.When you connect a device and the printer using Wireless Direct, the connection informationwill be saved to Wi-Fi settings. The device may be connected to the printer automatically evenafter disconnecting it or connecting it to another wireless router.33