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Setting SUB Codes for Transmission

This section explains how to send a document with a SUB Code as a confidential transmission.

A SUB Code is an ID consisting of numbers, Sharp, Asterisk, and spaces. Document transmitted with a SUB Code is stored in the other party's memory, and not printed automatically. The other party inputs the SUB Code to print the received document. Privacy can be mutually protected when transmitting a confidential document intended for a particular receiver, since only a person who knows the SUB Code can print the document.

Documents can also be sent via facsimiles that have the Transfer Station function.

This function helps you save costs when you send the same document to more than one place in a distant area, and saves time since many documents can be sent in a single operation.


  • Documents can be sent to facsimiles that have the Personal Box function.

  • A SUB Code cannot be used with Internet Fax, e-mail transmission, and folder transmission.

  • To use this function, set [SUB Code Transmission] to on. For details about [SUB Code Transmission], see “SUB Code Transmission”.

  • Obtain the SUB Code of the other party in advance.

  • When sending a confidential document, inform the other party of the SUB Code in advance.

1Place the original, and then select the scan settings you require.

2Press [TX Mode].

Operation panel screen illustration

3Press [Option Setting].

Operation panel screen illustration

4Press [SUB Code Transmission].

Operation panel screen illustration

5Press [OK] twice.

The standby display appears.

6Enter the fax number of a destination or an IP-Fax destination.

7Press [Adv.Features].

Operation panel screen illustration

8Make sure that [SUB Code] is selected.

9Press [Transmission SUB Code].

10Enter a SUB Code, and then press [OK].

Operation panel screen illustration

If you make a mistake, press [Clear] before pressing [OK], and then try again.

11When a password is required, press [Password (SID)], enter the password with the number keys, and then press [OK].

12Press [OK].

13Press the [Start] key.

If you use Immediate Transmission and the fax machine at the destination does not support the SUB Code function, a message will appear on the display to inform you of this. When this happens, press [Exit] to cancel the transmission.


  • Make sure the number of digits in the SUB Code matches the specification of the machine to which you are sending. For the maximum number of digits for the SUB Code of this machine, see “Maximum Values”.

  • You can store SUB Codes as well as names and fax numbers in the destination list and Keystroke Programs. For registering into the destination list, see “Registering Addresses and Users for Facsimile/Scanner Functions”, Network and System Settings Reference. For registering into the Keystroke Programs, see “Registering and Changing Keystroke Programs”.

  • When a SUB Code is stored in the destination list, the SUB Code can be modified or deleted after selecting a destination using the Destination keys.

  • The SUB Code is printed on lists and reports.

Related topics

Setting a password