This machine has two functions for preventing the mistransmission of faxes. Sending faxes after entering the fax /telephone number twice This function requires you to re-enter the fax/telephone number after entering the number using the Numeric buttons, so that the machine prevents you from misdialing.
If there is noise on the phone line, sent faxes may include white horizontal lines across the page (like missing lines) or compressed lines; or, errors will appear on the display.
Setting the DRPD Ring Pattern (US and Canada only) Use the button to select the ring pattern that your telephone company assigned to your fax number , then press the OK button.