Cannot Print (Wired Lan) - Canon imageCLASS LBP121dn User Manual

Cannot Print (Wired LAN)

Troubleshoot by checking the items below.
Is the Printer Port of the Computer Configured Correctly? (Windows)
Change the settings if they have not been configured correctly. If there is no available port, add a new port.
Viewing the Printer Port(P. 354)
Configuring a Printer Port (Windows)(P. 104)
Can You Access Remote UI?
If you cannot access Remote UI, the firewall settings of the machine may be incorrect, preventing
communication with the computer.
Use the following procedure to disable the firewall settings with the operation panel, and then use Remote UI to
configure the firewall again.
Administrator privileges are required. The machine must be restarted to apply the settings.
1
Disable the firewall settings.
To Disable IPv4 Address Filter
[Home] screen on the operation panel
[Firewall Settings]
[Off]
To Disable IPv6 Address Filter
[Home] screen on the operation panel
[Firewall Settings]
[Off]
To Disable MAC Address Filter
[Home] screen on the operation panel
[Firewall Settings]
[Off]
2
Configure the firewall correctly.
Reinstalling the Printer Driver
Uninstall the installed driver, and then reinstall it.
For details about uninstalling and installing drivers, see the driver manual at the online manual site.
https://oip.manual.canon/
Are You Using Resident Software?
If you are using resident software, such as security software, disable it and then try printing.
Can You Print from Another Computer in the Network?
If you cannot print from another computer, contact your dealer or service representative.
Persists(P. 339)
Troubleshooting
[IPv4 Address Filter]
Restart the machine.
[IPv6 Address Filter]
Restart the machine.
[MAC Address Filter]
Restart the machine.
Setting the Firewall(P. 147)
[Menu] [Preferences]
[Outbound Filter] or [Inbound Filter]
[Menu] [Preferences]
[Outbound Filter] or [Inbound Filter]
[Menu] [Preferences]
[Outbound Filter] or [Inbound Filter]
316
95LW-07Y
[Network]
[Network]
[Network]
If the Problem