При получении факса на Xerox WC 5330 выходит ошибка 033-506, где можно посмотреть расшифровку кодов ошибок, или кто знает, что за ошибка?

Вот из доки по Xerox WC 5335
033-506 DCN Receive RAP
BSD-ON: BSD 34.1 - FAX
Received DCN (disconnect message)
Procedure
• User on machine sending the fax cancelled fax sending job, or a problem exists with the
machine sending the fax.
• Check the status of the machine sending the fax, and retry fax job.
• Check phone line connection, grounding, electrical noise
• Ensure that the customer is programming a job within the parameters of the machine utilizing
the UI.
• Disconnect then reconnect the PWB’s in the FAX Module
• Check the sw version of the fax & controller sw - update if required
• Perform FAX Diagnostic GP 13
• Replace the FAX PWB (PL 18.5)