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Lexmark C2535

Unexpected error after checking firmware when using the Printer Enrollment Tool (PET) with the Fleet Agent (FA)

Issue Description:

The error message, “ An unexpected error occurred while checking the firmware version for this printer” is displayed when discovering printers using the Printer Enrollment Tool ( PET).

This can be caused by a port conflict between the PET and the Fleet Agent ( FA) running on the same workstation.


To resolve this issue, perform either of the following steps:

  • Run the Fleet Agent ( FA) and the Printer Enrollment Tool ( PET) on separate workstations.

  • Deactivate or uninstall the Fleet Agent then restart the workstation.

Still Need Help?

Have the following available when calling Lexmark Technical Support;

  • Printer model(s)

  • Printer serial number

  • Software/Solution


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