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Printer Cannot Be Used After Replacing Wireless Router or
Changed Router Settings
When wireless router is replaced or router settings are changed, the network settings of your computer,
smartphone/tablet or printer must be reconfigured according to the new wireless router.
Check 1
Check if your computer or smartphone/tablet can be connected to Internet
through the new wireless router.
If your computer or smartphone/tablet cannot be connected to Internet, check if the wireless router setup is
completed and configure the settings on the computer or smartphone/tablet to connect to the wireless router.
Check 2
Resetup printer network.
Refer to Setup Guide to setup.
Note
• Wi-Fi Connection Assistant allows you to diagnose and repair the network status.•
Select the link below to download Wi-Fi Connection Assistant and install it.
Checking Printer Connection Status Using Wi-Fi Connection Assistant
Refer to below in regard to starting up Wi-Fi Connection Assistant.
For Windows:
Starting Up Wi-Fi Connection Assistant
For macOS:
Starting Up Wi-Fi Connection Assistant
If this does not solve the problem, see below.
Cannot Communicate with Printer After Enabling MAC/IP Address Filtering or Encryption Key on
Wireless Router
With Encryption On, Cannot Communicate with Printer After Changing Encryption Type at Wireless
Router
Privacy Separator/SSID Separator/Network Separation Function
Cannot Communicate with Printer After Enabling MAC/IP Address
Filtering or Encryption Key on wireless router
Check 1
Check wireless router setting.
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