TX Lock lets you prevent unauthorized access to the machine.
You will not be able to continue to schedule Delayed Faxes or Polling jobs. However, any pre-scheduled Delayed Faxes will be sent even if you turn on TX Lock, so they will not be lost.
While TX Lock is On, the following operations are available:
• | Receiving faxes |
• | Receiving calls |
• | Fax Forwarding(If Fax Forwarding was already On) |
• | Remote retrieval(If Fax Storage was already On) |
While TX Lock is On, the following operations are NOT available:
• | Sending faxes |
• | Copying |
• | PC printing |
• | Scanning (MFC-3360C) |

Note
| If you forget the TX Lock password, please call Brother Customer Service. (See Brother numbers.) |
Setting and changing the TX Lock password
Setting the password

Note
| If you have already set the password, you will not need to set it again. |
1 | Press Menu, 2, 0, 1. |
2 | Enter a 4-digit number for the password. Press OK. |
3 | When the LCD shows Verify:, reenter the password. Press OK. |
4 | Press Stop/Exit. |
Changing the TX Lock password
1 | Press Menu, 2, 0, 1. |
2 | Press  or  to choose Set Password. Press OK. |
3 | Enter a 4-digit number for the current password. Press OK. |
4 | Enter a 4-digit number for the new password. Press OK. |
5 | When the LCD shows Verify: reenter the password. Press OK. |
6 | Press Stop/Exit. |