Ricoh M160 - Page 684

Error Codes
SM 28 M160/M161 Fax Option
Code Meaning Suggested Cause/Action
F0-xx V.34 modem error Replace the FCU.
F6-xx SG3 modem error  Update the SG3 modem ROM.
 Check for line noise or other line problems.
 Try communicating another V.8/V.34 fax.