While you wait for answers, we may have found some information which could help you.
Click here for Sharp Fax Errorhow can we fix our brother 2820 fax machine?
unit comes up with testing system?
how to fix a multi saw by pro clm500msk?
Panafax UV560 cannot receive faxes?
Hand set has no dial tone?
How to reprogram name ident on Panasonic fax machine?