Canon LBP251dw User Manual page 366

● Connect again by manually changing the WEP authentication method to <Shared Key>.
Setting Up Connection by Specifying Detailed Settings(P. 146)
The MAC address of the machine is rejected because the MAC address filter is set at a wireless router.
● Set the wireless router to permit the MAC address of the machine and your computer. For more
information about how to set, see the instruction manuals for your networking devices or contact your
manufacturer. To check the MAC address of the machine, press
Settings> <Wireless LAN Settings>
Viewing the MAC Address for Wired LAN(P. 162)
Could not perform Shared Key auth. Check WEP settings.
The network key (the WEP key) of a wireless router to be connected is not set to the machine correctly.
● Check the network key (the WEP key) of the wireless router, and set it to the machine again.
Checking the SSID and Network Key(P. 150)
Setting Up Connection by Specifying Detailed Settings(P. 146)
● Connect again by selecting a wireless router or by manually changing the WEP authentication method to
<Open System>.
Setting Up Connection by Selecting a Wireless Router(P. 143)
Setting Up Connection by Specifying Detailed Settings(P. 146)
The authentication method of the machine is set to <Shared Key>, but that of the wireless router is set to
"Open System."
● Change the WEP authentication method to "Shared Key" at the wireless router, and connect again. For
more information about how to change, see the instruction manuals for your networking devices or
contact your manufacturer.
Direct Connection terminated.
Connection between the machine and the mobile device was terminated.
● Reestablish Direct Connection.
Make Direct Connection (Access Point Mode)(P. 125)
Insert the toner cartridge.
The toner cartridge is not set or properly set.
● Properly set the toner cartridge.
How to Replace Toner Cartridges(P. 400)
Error. Non-Canon cart. not cov'd by warranty. Amount in cart. cannot be
displ. correctly. Close: Press OK
A toner cartridge may not be installed correctly or may be faulty.
Troubleshooting
<Connection Information>.
360
select <Network