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When you set printer's IP address manually, correct IP address may not be
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set.
Check the network name (SSID) and the password of the wireless router you want to connect to, the IP
address applicable range, and then enter the appropriate IP address on the printer side. If you are unsure, set
the printer's IP address to automatic (DHCP).
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Unable to connect to the specified network. Check the following items.
Check status of printer and network device (e.g. wireless router) and your
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computer/smartphone/tablet.
Use 2.4 GHz frequency band to communicate with this printer and a wireless router. A typical wireless router
can use the 2.4 GHz and 5 GHz frequency bands. In many cases, each frequency band is assigned a different
network name (SSID). Verify the network name (SSID) and password for the frequency band you connect to.
Match the network name (SSID) set for the printer with that for 2.4 GHz frequency band of the wireless router.
Password on your wireless router may not match password you entered.
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Passwords are case sensitive.
Enter the password correctly.
Monitor signal status and move printer and wireless router as necessary.
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• Place the printer and wireless router where there are no obstacles between them. Wireless
communication between different rooms or floors is generally poor.
• Wireless communication can be impeded by building materials containing metal or concrete. If the printer
cannot communicate with the computer over a Wi-Fi due to a wall, place the printer and the computer in
the same room.
• After changing the installation location, print out the network settings information again and check the
status of the signal. Compare with the value in section "3-2-1" in the printed network settings information
to determine the installation location.
Check wireless channel number of Wi-Fi you are using on computer.
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Make sure that the wireless channel number on the wireless router is included in the wireless channel number
you checked. If the wireless channel number set for the wireless router is not included, change the wireless
channel number of the wireless router.
In case of Wi-Fi connection, check if computer that can be accessed by
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wireless router is restricted.
The wireless router settings may be limiting the number of devices that can be connected at the same time.
Remove or relax the restrictions.
To check the settings of the wireless router, refer to the instruction manual provided with it or contact its
manufacturer.
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