I searched our online knowledge base and found a couple of article to assist you with faxing from your device.
This article is for enabling the fax.
This article is on how to send a fax.
If you are still having issues, I would suggest contacting our support department @ 1-800-821-2797 for assistance.
AltaLink® C8000 Series is a very powerful printer. You can not only print but also send faxes.You should install Installing the Printer before you send fax
Step 1: You must get yourself a phone cord with connectors, that have two wire leads.
Step 2: Connect the cord to the wall jack. Make sure the other part of the jack has access to a 1-line printer end.
Step 3: For the answering machine option, the connecting end from the machine should fit the 2-EXT-end for the printer rear.
Step 4: Your next steps include:
Setting-up your printer with the fax-header, answering mode, ring-type to answer, and the dial type.
Run a fax test to ensure that the machine is producing the right results.