Please refer to this document from Dell & verify that your machine is set up as described in that document: http://support.dell.com/support/edocs/systems/v505/en/ug/d0e7733.html#d0e8716
Try this one open the FAX menu > Fax set-up > Dialing & sending > Max send speed then set the max send speed to 9,600 bps. Then after that power off the unit for 30 seconds ad check if its working already.
Answers & Comments
Please refer to this document from Dell & verify that your machine is set up as described in that document:
http://support.dell.com/support/edocs/systems/v505/en/ug/d0e7733.html#d0e8716
Try this one open the FAX menu > Fax set-up > Dialing & sending > Max send speed then set the max send speed to 9,600 bps. Then after that power off the unit for 30 seconds ad check if its working already.