TX Lock lets you prevent unauthorized access to the machine.

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

• Receiving faxes
• Fax Forwarding (If Fax Forwarding was already On) (MFC-J690DW)
• Fax Storage (If Fax Storage was already On) (MFC-J690DW)
• Remote Retrieval (If Fax Storage was already On) (MFC-J690DW)
• PC-Fax Receive (If PC-Fax Receive was already On)

  

  While the TX Lock feature is turned on, your machine will receive faxes and store them in its memory. Then, when TX Lock is turned off, the faxes will be sent to your chosen PC.

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

• Operation from the control panel
• PC printing
• PC scanning