Toshiba GD-1250 - Manual (Page 60)

4 ADVANCED FUNCTIONS
58 Polling Communication
6 Press the [START] button on the control panel.
y Upon request of the recipient's fax machine, the data of the original stored into memory are sent automatically.
Once they are sent, they are deleted from memory.
y You can delete the data of the original from memory by canceling the polling transmission.
P.52 “Canceling reserved transmissions”