Is your fax showing as "on hold"? Here is how to send this out:
Navigate go to your Faxes > Drafts folder, locate the fax you would like to send, click on the dropdown arrow at the right of the row, and click "Continue editing".
Where can I find my faxes?
You will be brought back to the "Send a fax" screen. Enter the recipient's fax number, then click the blue "Send" button.