HP OfficeJet D135 All-In-One InkJet Printer "fax error message 351" Questions

fax). It's Error 351. Where can I find an interpretation of these error messages? The Reference guide provides none. A quick google search and a visit to the HP website provided no error definitions--

...error message I rang the fax print test and everything seemed fine there On the product control panel, press the setup button ( ). Use the right arrow key ( ) to select Advanced Fax Setup , and then ...

...error SC-672 Op panel to controller problem SC-690 BICU problem (12C) SC-691 Communication problem between BICU and fax controller BICU problem (12C) Aficio 1035, 1045 SC-692 Communication problem ...