TA Triumph-Adler DC 2018 - Manual (Page 136)

Advanced Functions
5-44 OPERATION GUIDE
NOTE: When sending the documents to the same model as the FAX
System in encrypted communication, be sure the encryption box setting is
set to Off.
10 Press Enter.
11 Press Enter to return to the basic screen.
12 Press Start to load stored documents from memory.
Receiving Encrypted Faxes
Perform the following procedure for encrypted reception.
NOTE: Before receiving encrypted communications, you must determine
an encryption key with the sender and register it under an encryption key
ID. For more information, refer to Registering New Encryption Keys on
page 5-39.
1 Complete the encrypted reception setting, specify encrypted reception,
and select the encryption key ID. For more information, refer to Setting Up
Encrypted Reception on page 5-41.
2 The sender will initiate encrypted transmission. If the encrypted
communication is successful, the encrypted documents will be decrypted
by the recipient’s fax machine before printing.