Useful transmission functions 6cm5520 6-69Useful transmission functions Chapter 66.21 Confidential transmission (F-Code TX)Confidential transmissionA confidential transmission is a function to send an original to specific per-sons using a confidential box. Sending an original to a confidential box onthe recipient’s fax machine is called a confidential transmission and receivingan original in this machine’s confidential box is called confidential reception.The procedure for confidential transmission is explained here.2 NoteFor confidential transmission, a confidential box and communicationpassword should be set on the recipient’s fax machine.The communication password might not be required by the recipient’sfax machine.This function can be used only when the recipient’s fax machine has F-code functions.For details on F-code, refer to the “Fax glossary” on page 12-7.Following functions cannot be used simultaneously.Polling TX, Polling RX, Bulletin board registration, Bulletin board Pollingreception and Password TX.Sender ConfidentialboxReceiver