To Disable MAC Address Filter
[Home] screen on the operation panel [Menu]
[Preferences]
[Network]
[Firewall Settings]
[MAC Address Filter]
[Outbound Filter] or [Inbound Filter]
[Off]
Restart the machine.
2
Configure the firewall correctly. Setting the Firewall(P. 147)
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. If the Problem
Troubleshooting
315
Summary of Contents for imageCLASS LBP121dn
Page 1: ...imageCLASS LBP122dw LBP121dn User s Guide USRMA 7917 00 2023 02 en Copyright CANON INC 2023 ...
Page 7: ...Notice 358 Trademarks and Copyrights 359 Third party Software 361 VI ...
Page 47: ... Shared Key Encryption for WPA WPA2 TKIP AES CCMP IEEE 802 1X Authentication Setting Up 40 ...
Page 65: ... The settings are applied Setting Up 58 ...
Page 100: ...Paper with logo in landscape orientation Basic Operations 93 ...
Page 105: ... The custom paper is registered Basic Operations 98 ...
Page 138: ...6 Log out from Remote UI Linking with Mobile Devices 131 ...
Page 159: ...8 Log out from Remote UI Security 152 ...
Page 207: ... Off On Settings Menu Items 200 ...
Page 250: ... Off On Settings Menu Items 243 ...
Page 284: ... When you select On the printing speed may decrease Troubleshooting 277 ...
Page 353: ...Manual Display Settings 95LW 08H Appendix 346 ...