Send Start Speed
This mode enables you to change the send start speed. This is useful when there is difficulty initiating the sending 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)" or "Optional Products Required for Each Function (imageRUNNER ADVANCE C7280i/C7270i/C7260i)."
1.
Press 
.
.2.
Press [Function Settings] → [Send] → [Fax Settings].
3.
Press [TX 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].