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Restrictions

When connecting another device while a device (such as a smartphone) 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.

Connection Using an Access Point

  • Make sure that a device and an access point (or wireless network router) are connected. For details on how to check the settings, refer to the manual supplied with the access point or contact its manufacturer.
    As for a device already connected to the printer without using an access point, reconnect it via an access point.
  • The configuration, router functions, setup procedures and security settings of the network device vary depending on your system environment. For details, refer to the manual of your network device or contact its manufacturer.
  • Check if your device supports IEEE802.11n (2.4 GHz), IEEE802.11g or IEEE802.11b.
  • If your device is set to the "IEEE802.11n only" mode, WEP or TKIP cannot be used as a security protocol. Change the security protocol for your device to something other than WEP and TKIP or change the setting to something other than "IEEE802.11n only."
    The connection between your device and the access point will be temporarily disabled while changing the setting. Do not operate the screen of this guide until the setup is complete.
  • For office use, consult your network administrator.
  • Take added care when connecting to a network that is not protected with security measures, as there is a risk of disclosing data such as your personal information to a third party.

Connection without Using an Access Point

Important

  • If you connect a device connected to the Internet via an access point to the printer that is in access point mode, the connection between the device and access point will be disabled. In that case, the connection of the device may switch to a mobile data connection automatically depending on your device. When you connect to the Internet using a mobile data connection, charges may apply depending on your contract.

    • When you connect a device and the printer in access point mode, the connection information will be saved to Wi-Fi settings. The device may be connected to the printer automatically even after disconnecting it or connecting it to another access point.
    • You cannot connect to an access point and the printer that is in access point mode at the same time. If you have an access point, it is recommended that you use the access point to connect to the printer.
    • To prevent automatic connection to the printer that is in access point mode, change the connection mode after using the printer, or set not to connect automatically in the Wi-Fi settings of the device.
      For details on how to change the settings of a device, refer to the manual supplied with the device or contact its manufacturer.
  • When connecting a device and the printer in access point mode, Internet connection may become unavailable. In that case, web services for the printer cannot be used.
  • In access point mode, you can connect up to five devices at the same time. If you try to connect a sixth device while five devices are already connected, an error will appear.
    If an error appears, disconnect a device that does not use the printer, then configure settings again.
  • Devices connected to the printer in access point mode cannot communicate with each other.
  • Firmware updates for the printer are not available while using the access point mode.
  • When a device has been connected to the printer without using an access point and you want to set it up again using the same connection method, disconnect it first. Disable the connection between the device and printer in the Wi-Fi setting screen.

Connection Using a Wired Network

  • This printer cannot be used over wireless and wired connections at the same time.
  • When using a router, connect the printer and a device to the LAN side (same network segment).