Xerox FaxCentre F116 Service Manual page 167

Code 49 - Internet connection impossible
Verify the phone number and (if applicable) the dialing prefix associated with the machine.
To verify the Internet parameters, print them out by entering the key sequence MENU, 9, 4, 5
followed by the OK key.
Code 50 - Server Error
Verify the parameters SMS server number or a communication error occurred during data
transfer.
FaxCentre F116/F116L 9/04
General Procedures/Information
6-63