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Printer Cannot Be Used After Replacing Wireless Router or
Changed Router Settings
When you replace a wireless router, redo the network setup for the printer according to the replaced one.
• For Windows:
Perform setup using the Setup CD-ROM or from the web page.
• For macOS:
Perform setup from the web page.
Note
• IJ Network Device Setup Utility allows you to diagnose and repair the network status.
Select the link below to download IJ Network Device Setup Utility and install it.
Checking Printer Connection Status Using IJ Network Device Setup Utility
See below for starting up IJ Network Device Setup Utility.
• For Windows:
Starting Up IJ Network Device Setup Utility
• For macOS:
Starting Up IJ Network Device Setup Utility
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
Cannot Communicate with Printer After Enabling MAC/IP Address
Filtering or Encryption Key on Wireless Router
Check wireless router setting.
Check1
To check the wireless router setting, see the instruction manual provided with the wireless router or contact its
manufacturer. Make sure the computer and the wireless router can communicate with each other under this
setting.
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