Specifications
FAX Operation (Advanced) 
4-50 OPERATION GUIDE
Sub Address Communication
Sub Address Communication
Sub address communication is communication in which data is sent and 
received with sub addresses and passwords attached in conformance with 
the ITU-T (International Telecommunication Union) recommendations. 
Sub addresses enable communication modes with third-party machines 
that were previously only possible between our brand machines. These 
include confidential delivery (sending originals to an original delivery box 
set up in the receiving system) and polling communication (reception of 
documents from a source machine that is controlled from the receiving 
machine). Using sub address communication and the memory forwarding 
function on this machine also allows advanced communication functions 
such as storing received originals in FAX Boxes and forwarding originals 
to other fax machines.
NOTE: In order to conduct sub address communication, the other party’s 
system also needs to be equipped with sub address communication 
functions of the same type.
Sub address-based communication can be used together with various kind 
of functional communication. When registering a sub address and sub 
address password in the Address Book and One-touch keys, you can omit 
their entry before transmission. For details, refer to the explanations in the 
procedure of each communication method and registration method.
Sub Address
With the machine, sub address and sub address passwords are called sub 
address.
Sub Address
Use the numbers from 0 to 9, ‘ (space)’, and ‘#’ and ‘*’ characters to enter 
a sub address of up to 20 digits. When the machine receives originals, the 
sub address is used as the forward requirement for memory forwarding.
Sub Address Password
Use the numbers from 0 to 9, ‘ (space)’, and ‘#’ and ‘*’ characters to enter 
a sub address password of up to 20 digits. When the machine receives 
originals, a sub address password is not used.
Sub Address Transmission
To use sub address transmission, follow the steps below.
NOTE: To use sub address transmission, check that a sub address and 
password have been set in the receiving system in advance.










