Canon imageCLASS MF266dn II User Manual page 611

To Disable MAC Address Filter
[Home] screen on the control panel
Address Filter] [Outbound Filter] or [Inbound Filter]
2
Configure the firewall correctly.
5 Lines LCD Model
1
Disable the firewall settings.
To Disable IPv4 Address Filter
on the control panel
Settings]
[Off] Restart the machine.
To Disable IPv6 Address Filter
on the control panel
Settings]
[Off] Restart the machine.
To Disable MAC Address Filter
on the control panel
Settings]
[Off] Restart the machine.
2
Configure the firewall correctly.
Reinstall 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. 651)
Troubleshooting
[Menu]
Setting the Firewall(P. 353)
[Preferences]
[IPv4 Address Filter]
[Preferences]
[IPv6 Address Filter]
[Preferences]
[MAC Address Filter]
Setting the Firewall(P. 353)
602
[Preferences] [Network]
[Off] Restart the machine.
[Network]
[Outbound Filter] or [Inbound Filter]
[Network]
[Outbound Filter] or [Inbound Filter]
[Network]
[Outbound Filter] or [Inbound Filter]
[Firewall Settings] [MAC
[Firewall
[Firewall
[Firewall
If the Problem