Printer Cannot Be Used After Replacing Wireless Router or Changing Its Settings
When you replace a wireless router, redo the network setup for the printer.
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For Windows:
Perform setup using the Setup CD-ROM or from the web page.
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For macOS:
Perform setup from the web page.
Note
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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.
See below for starting up IJ Network Device Setup Utility.
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For Windows:
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For macOS:
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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
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Check1 Check wireless router setting.
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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Check2 If filtering MAC addresses or IP addresses at wireless router, check that MAC addresses or IP addresses for computer, network device, and printer are registered.
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Check3 If using WPA/WPA2 or WEP key, make sure encryption key for computer, network device, and printer matches key set for wireless router.
Not only the WEP key itself, but also the key length, key format, the key ID to use, and the authentication method must be the same for the printer, the wireless router, and the computer.
For details, see Setting an Encryption Key.
With Encryption On, Cannot Communicate with Printer After Changing Encryption Type at Wireless Router
If you change the encryption type for the printer and it subsequently cannot communicate with the computer, make sure the encryption type for the computer and the wireless router matches the type set for the printer.
