Olivetti OFX 5500 Instruction Manual page 33

Fax operation (Basic)
1
4 4
3
5
7
5 5
29
2
4
6
8
A A
<Dialling with a one-touch key>
Press the one-touch key under which the
destination number is registered.
5. Start transmitting.
Press the START key.
* The fax will start transmitting operations.