Sounds like you may need a tech to replace the hdd which comes pre-loaded with software.
Hi dombo,
Thank you for using the Xerox forum.
I would suggest that you review the following solution.
Solutions for : Network Controller Fault Message
http://www.support.xerox.com/support/DC_3535/support/en_US.html?objGUID=542
If that does not resolve your issue you may consider contacting our specific product support experts at the following link:
Fast Track to the Expert
When i connect my xerox to computer windows won' t automatic find machine. On machine control panel is message "Network controller is down" anyone have suggestion for that error?