When an Error Message Appears
0U6X-0AF
When you encounter an operation problem such as when a print processing error occurs or the memory becomes full,
a message appears on the screen. Find out more information about messages in the following list.
Cannot analyze the authentication server certificate.
The authentication server certificate may be invalid, or the certificate may be in a format that the
printer does not support.
●
Check the authentication server certificate.
Configuring IEEE 802.1X Authentication(P. 268)
Cannot find the access point.
When automatic setting with WPS was attempted, a wireless router could not be detected within a
specific period of time.
●
Connect again paying attention to the time limit.
Setting Up Connection Using WPS Push Button Mode(P. 157)
Setting Up Connection Using WPS PIN Code Mode(P. 159)
An SSID or network key of a wireless router was entered manually, but the entry was incorrect.
●
Check the SSID and network key, and enter the correct ones again.
Checking the SSID and Network Key(P. 169)
Setting Up Connection by Specifying Detailed Settings(P. 165)
A wireless router could not be detected due to setting problems of the network to be connected.
●
Check whether the machine is properly installed and ready to connect to the network.
Installation/Settings Problems(P. 396)
●
If the problem persists, check the security settings of the wireless router.
Cannot use Google Cloud Print. Server authentication failed.
Server authentication for Cloud Print failed. Or, acquisition of information for registration failed.
●
Check whether the date and time settings are correctly specified.
Cannot use Google Cloud Print. Server communication error.
Cloud Print is unavailable due to an error.
●
Check whether the machine is correctly connected to a wireless LAN or wired LAN.
Connecting to a Wireless LAN(P. 155)
Connecting to a Wired LAN(P. 154)
Troubleshooting
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Summary of Contents for LBP253 Series
Page 1: ...LBP253x User s Guide USRMA 0769 00 2016 06 en Copyright CANON INC 2015 ...
Page 79: ...Printing 73 ...
Page 121: ...LINKS Printing via Secure Print P 116 Printing 115 ...
Page 197: ...3 Click OK 4 Click Close LINKS Setting Up Print Server P 192 Network 191 ...
Page 381: ...Troubleshooting 375 ...
Page 467: ...For more information about this function see Basic Printing Operations P 74 Appendix 461 ...
Page 499: ...Appendix 493 ...
Page 506: ...Manual Display Settings 0U6X 0HF Appendix 500 ...