Security; TX Lock (MFC-7420 only); Setting up the password- Page 40

Chapter 2

2 - 7

Security

You can set up your MFC with multiple levels 
of security using TX Lock (MFC-7420 only), 
Memory Security (MFC-7820N only) and 
Setting Lock.

TX Lock (MFC-7420 only)

TX Lock lets you prevent unauthorized 
access to the MFC. 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 won’t be lost.

While TX Lock is on, the following operations 
are available:

■

Receiving faxes

■

Fax Forwarding 
(if Fax Forwarding was already on) 

■

Paging
(if Paging was already on)

■

Remote Retrieval 
(if Fax Storage was already on)

■

PC Fax Receive
(if PC Fax Receive was already on)

While TX Lock is on, the following operations 
are NOT available:

■

Sending faxes

■

Copying

■

PC printing 

■

PC scanning 

Note

To print the faxes in memory, turn off TX 
Lock.

Setting up the password

Note

■

If you have already set the password, you 
will not need to set it, again.

■

If you forget the TX Lock password, 
please call Brother Customer Service. 
(See 

Brother numbers

 on page i.)

1

Press 

Menu/Set

, 

1

, 

8

, 

1

.

2

Enter a four-digit number for the 
password.

Press 

Menu/Set

.

If you are entering the password for the 
first time, the LCD shows 

Verify:

.

3

Re-enter the password.

Press 

Menu/Set

.

4

Press 

Stop/Exit

.

Changing the TX Lock password

1

Press 

Menu/Set

, 

1

, 

8

, 

1

.

2

Press 

▲

 or 

▼

 to select 

Set Password

.

Press 

Menu/Set

.

3

Enter the registered four-digit password.

Press 

Menu/Set

.

4

Enter a four-digit number for the new 
password.

Press 

Menu/Set

.

5

If the LCD shows 

Verify:

, re-enter the 

new password.

Press 

Menu/Set

.

6

Press 

Stop/Exit

.

Security
1.TX Lock