This mode enables you to change the send start speeds, which 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."
1.
Press 
→ [Function Settings] → [Send] → [Fax Settings] → [TX Start Speed].
→ [Function Settings] → [Send] → [Fax Settings] → [TX Start Speed]. 2.
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].