Support for MFC-L8340CDW

Fax

Cannot Send a Fax

I get the “Authentication Error” or “Receiving Error” message when using Microsoft Exchange Online.
Set Telephone Line Compatibility for Interference and VoIP Systems

Cannot Receive a Fax

I get the “Authentication Error” or “Receiving Error” message when using Microsoft Exchange Online.
Set Telephone Line Compatibility for Interference and VoIP Systems

Fax Quality Problem

Fax Sending Operation from Computer (PC-Fax)

I updated my Windows 11 PC through Windows Update and I can no longer Print, Scan or Fax from my PC.

Fax Receiving Operation with Computer (PC-Fax)

I updated my Windows 11 PC through Windows Update and I can no longer Print, Scan or Fax from my PC.

Fax Settings / Management

Other FAQs Category

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