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. |