Setting the Receive Start Speed
If your document reception is slow in starting, this may mean that the telephone lines in your area are in poor condition. This mode enables you to change the receive start speeds, which is useful when there is difficulty initiating the receiving of a document.
For information on the optional products required to use this function, see "Optional Products Required for Each Function (imageRUNNER ADVANCE C9280 PRO/C9270 PRO)" or "Optional Products Required for Each Function (imageRUNNER ADVANCE C7270/C7260)."
1.
Press 
(Settings/Registration).
(Settings/Registration).2.
Press [Function Settings] → [Receive/Forward] → [Fax Settings].
3.
Press [RX Start Speed].
4.
Select the desired start speed → press [OK].
If your document transmission is slow in starting, this may mean that the telephone lines in your area are in poor condition. Select a slower speed. You can select [33600 bps], [14400 bps], [9600 bps], [7200 bps], [4800 bps], or [2400 bps].