Toshiba DP120F Service Manual page 570

• Resetting during transmission
If the [STOP] key is pressed during transmission of picture data, the communication ends
normally regardless of existence of the next document pages and mode changes.
If the [STOP] key is pressed in any time except transmission of picture data, DCN is
forcibly sent to end the communication.
DP120F/DP125F Dialing and Communication Procedure 9-6 March 2000 © TOSHIBA TEC