TA Triumph-Adler DCC 2520 - Manual (Page 45)

Fax Operation (Basic Use)
2-9
3 Press the [Start] key.
NOTE: If you set the document(s) in the Document
Processor, scanning and then transmission of the
documents will begin automatically.
Repeat steps (1) through (3) for all remaining
documents.
> Once there are no further pages to be scanned...
Press the [No] key. Transmission of the documents will begin automatically.