From the Document you want to fax select File and Print (or the print icon)
Select the “Sharp Fax Printer″ as the printer and hit the print button
A Dialog will appear prompting for the Fax Number your sending it to.
You can also choose to include a fax cover
If adding a cover sheet specify the location and the document
Job Id can be left at default
Log Viewer will open up and let you know if your job was sent to the fax machine
After a few moments it will let you know if the fax was completed Successfully or Failed.