Canon imageCLASS LBP121dn - Page 340

Check the Certicate Information of the Authentication Server, and Register a Supported CA
Certicate.
Setting IEEE 802.1X(P. 155)
Registering a Key and Certicate or CA Certicate Obtained fr
om an Issuing Authority(P. 163)
Incorrect number of characters/invalid characters entered.
The network key of the wireless LAN router (access point) is not congured correctly on the machine.
Reset the Network Key.
Check the network key of the wireless LAN router, and congure the settings correctly on the machine.
Connecting to a Wireless LAN(P. 38)
Low Cartridge Level
It is nearing the time to replace the toner cartridge.
Prepare New Toner Cartridge, and Replace the Old Ones, as Needed.
When printing large printing jobs, it is recommended to replace the toner cartridge. Replacing the Toner
Cartridge
(P. 257)
To Continue Printing, Press [Continue Printing].
● Y
ou can manually specify when this message appears (when toner is low).
[Displ. Timing for Cartridge
Pr
ep. Notif.](P. 199)
Mem. Full (Skip Error)
The memory is full with data that has not been printed due to an err
or.
Cancel Printing of the Data with an Error, or Press [Skip Error] on the [Status Monitor] Screen.
Canceling Printing with the Operation Panel(P. 122)
Viewing the Print Job Status and Log(P. 123)
Memory is full. [Memory is full.] Is Displayed on the Operation Panel, and the Operation Cannot Be Performed.
Printing cannot be performed due to insucient available memory
. If there is data waiting to be printed, wait until the
processing is completed.
Reduce the File Size or Divide the File.
Optimize the le to make it smaller, or divide the le and then print it.
No Paper
Ther
e is no paper loaded, or the paper loaded cannot be used to print reports or lists.
Load the Paper.
Load the paper for printing reports, lists, and set the paper size and type.
Loading Paper(P. 87)
No reply from the destination.
The Ethernet cable may not be connected or ther
e may be a problem with the switch.
Troubleshooting
333