While you wait for answers, we may have found some information which could help you.
Click here for Fax Machine PanafaxHow to reprogram name ident on Panasonic fax machine?
How can I change the mode from Tel to fax?
manual for panasonic fax machine model no kx-ft903cx?
What todo with "jammed" when no paper jam found ?
Panasonic KX-FHD331 service manual?
won't dial number?