Cannot Use the Printer on Replacing an Access Point or Changing Its settings
When you replace an access point, perform network setup of the printer again.
Perform network setup again with the Setup CD-ROM or perform it again according to the instructions on our website.
If the problem is not resolved, see below.
Cannot Communicate with the Printer After Applying MAC/IP Address Filtering or Entering a WEP/WPA/WPA2 Key to the Access Point
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Check1 Confirm the access point setting.
Refer to the instruction manual provided with the access point or contact its manufacturer to confirm the access point setting. Make sure that the computer and the access point can communicate with each other under this setting.
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Check2 If you are performing MAC address filtering or IP address filtering at the access point, confirm that the MAC address or IP address for both the computer or the network device and the printer are registered.
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Check3 If you are using a WEP/WPA/WPA2 key, make sure that the key for the computer or the network device and the printer matches that set to the access point.
Besides the WEP key itself, the key length, key format, the key ID to use, and the authentication method must match among the printer, the access point, and the computer.
Normally, select Auto for the authentication method. If you want to specify the method manually, select Open System or Shared Key according to the setting of the access point.
When Encryption Is Enabled, Cannot Communicate With the Printer After the Encryption Type Was Switched on the Access Point
If the printer cannot communicate with the computer after the encryption type of the printer was switched, make sure that encryption types for the computer and the access point matches that set to the printer.
