Sudden FOIP Failures That Require a Complete Reboot of the MFP to Recover Functionality

What you will

Total fax send and receive failure with the following additional observations:

• Failures are often sporadic and sudden.
• Functionality returns after MFP is turned off and on.
• Session Initiation Protocol (SIP) Responses For FOIP Failure Diagnosis registration status disappears when failure occurs. This can be seen by opening the EWS and navigating to Settings > Fax Settings > Analog/T.38/G.711 Fax Setup > SIP Registration status.

NOTE:Do not confuse this issue with random intermittent errors wherein some faxes are transmitted while others fail. Moreover, this issue should also not be confused to with initial FOIP setup failures wherein every single call fails due to a configuration issue.

Solution

PE-released firmware has been made available to address this issue. Contact Lexmark Technical Support andreference this article ID# SO7952 to request this firmware.

An x denotes and model number within a product series; i.e., X950, X952, X954.

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LEGACY ID: SO7952

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LEGACY ID: SO7952