Canon imageCLASS LBP122dw User Manual page 341

Check the Ethernet cable and switch status.
No response from host.
The machine is not connected correctly to the network.
Check the Settings of the Machine and Network, and Connect Again.
When Connected via Wireless LAN
Configure the settings correctly according to your usage environment.
LAN(P. 38)
When Connected via Wired LAN
Check that the Ethernet cable is properly connected.
Paper jammed.
Paper jammed in the machine during printing.
Remove the Jammed Paper, and If Printing Does Not Resume Automatically, Try Printing Again.
Paper Jams(P. 271)
Prepare a cartridge.
It is nearing the time to replace the toner cartridge.
Prepare New Toner Cartridge, and Replace the Old Ones, as Needed.
When printing large jobs, it is recommended to replace the toner cartridge.
Cartridge(P. 257)
To Continue Printing, Press [Continue Printing].
● You can manually specify when this message appears (when toner is low).
Prep. Notif.](P. 199)
Set the correct authentication information.
The authentication method or authentication information of IEEE 802.1X is not set correctly.
Set the Authentication Method and Authentication Information (Keys and Certificates, Password, CA
Certificate) Correctly.
Setting IEEE 802.1X(P. 155)
Managing and Verifying a Key and Certificate(P. 157)
Set the information necessary for authentication.
The authentication method or authentication information of IEEE 802.1X is not set correctly.
Set the Authentication Method and Authentication Information (Keys and Certificates, Password, CA
Certificate) Correctly.
Setting IEEE 802.1X(P. 155)
Managing and Verifying a Key and Certificate(P. 157)
Troubleshooting
Connecting to a Wired LAN(P. 37)
334
Connecting to a Wireless
Replacing the Toner
[Displ. Timing for Cartridge