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Check the authentication settings.
The authentication method set on the machine does not match the authentication method set on the
RADIUS server.
●
Check that the same authentication method is set on this machine and the RADIUS server, and set the
correct authentication method.
Configuring IEEE 802.1X Authentication(P. 248)
Could not connect using Access Point Mode.
Connection in Access Point Mode failed due to an error.
●
Wait a few moments and try again. If you still cannot connect, try switching the machine off briefly.
Make Direct Connection (Access Point Mode)(P. 125)
Could not connect using the wireless LAN.
Wireless LAN communication failed due to an error.
●
Wait for a while, and set again. If you still cannot get connection, turn OFF the machine and then restart it.
Could not connect using the wireless LAN.
A connection failed due to an error while setting wireless LAN connection.
●
Restart the machine and set again.
●
If the problem persists even after restarting the machine, check whether the machine is properly installed
and ready to connect to the network.
Installation/Settings Problems(P. 369)
●
If the problem persists even after checking the wireless LAN connection, check the security settings of the
wireless router.
Could not connect using WPS.
When automatic setting with WPS was attempted, the connection failed due to an error.
●
Wait for a while, and set again. If the problem persists, check whether the wireless router supports WPS.
If WPS is supported:
Check whether the machine is properly installed and ready to connect to the network.
Installation/Settings Problems(P. 369)
If WPS is not supported:
Set using another connecting method.
Connecting to a Wireless LAN(P. 136)
Troubleshooting
358
Summary of Contents for LBP251
Page 1: ...LBP252dw LBP251dw User s Guide USRMA 0786 00 2016 06 en Copyright CANON INC 2015 ...
Page 35: ...LINKS Using the Operation Panel P 30 Basic Operations 29 ...
Page 69: ...Exiting Sleep Mode Press any key on the operation panel Basic Operations 63 ...
Page 75: ...Printing 69 ...
Page 83: ...LINKS Basic Printing Operations P 70 Checking the Printing Status and Log P 78 Printing 77 ...
Page 117: ...LINKS Printing via Secure Print P 112 Printing 111 ...
Page 122: ...Checking the Printing Status and Log P 78 Printing 116 ...
Page 178: ...3 Click OK 4 Click Close LINKS Setting Up Print Server P 173 Network 172 ...
Page 233: ...LINKS Configuring Printer Ports P 168 Security 227 ...
Page 316: ...0 Auto Shutdown is disabled 1 to 4 to 8 hr Setting Menu List 310 ...
Page 355: ...Troubleshooting 349 ...
Page 470: ...Appendix 464 ...
Page 478: ...Manual Display Settings 0W20 08J Appendix 472 ...