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Smart Card Authentication

Smart Card Authentication

`User ID Not Authorized? Message Displays After PKI/SCAC Login

Affected Products:

Solution: Public Key Infrastructure (PKI) or Smart Card Authentication Client (SCAC)

Issue Description:

A ‘User ID not Authorized’ message appears after logging in to the printer using either a Public Key Infrastructure (PKI) or Smart Card Authentication Client (SCAC).


Remove any value set for

Authorization setup


To do so:

  1. Open the printer’s Embedded Web Server (EWS) using any web browsers (e.g., Internet Explorer, Google Chrome, Mozilla Firefox, etc.).



    to view steps to access printer's EWS.

  2. Go to Settings > Security > Security Setup > Security Template.

  3. Select the SmartCard template, and then click Modify authorization.

  4. Set the Authorization Setup value to None, and then click Save Template.

Still Need Help?

Have the following available when calling Lexmark Technical Support:

  • Printer model(s)

  • Printer serial number

  • Name and version of the solution

If you need help locating your printer model and serial number,




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