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Lexmark XC4240

Lexmark XC4240

Unable to connect to Pharos Blueprint server version 4.2.5588

Issue description

The 2016 Lexmark products are unable to connect to an older version of Pharos Blueprint server. When attempting the connection, the printer registers this error:

The connection error registered on the 2016 Lexmark products is a possible compatibility issue that causes inconsistencies and prevents the app to work correctly.


  1. Check the firmware version of the printer.

    • If the firmware version is not yet updated, proceed to the next step.
    • If the firmware version is already updated, proceed to step 3.
  2. Update the printer's firmware to version XX.031.099 or higher. Please refer to the Firmware Update Instructions for more information.

  3. If the printer is still unable to connect to the Pharos Blueprint server, then the app needs to be updated to a version 5.1 or higher.

How to update Pharos Blueprint server

Note:  The Pharos Blueprint version 5.2 or later already uses this new database model. Should you need to update the license, proceed with Step 8.

A new database model is being implemented on all Pharos Blueprint app versions. To implement it on Pharos Blueprint version 5.1 or earlier, perform the following steps:

  1. Log in to the Blueprint Analyst server.

  2. Copy this BP_5.1orEarlierDeviceModelUpdater.rename_to_exe file to a temporary folder or location on the Blueprint Analyst server.

  3. Rename BP_5.1orEarlierDeviceModelUpdater.rename_to_exe to BP_5.1orEarlierDeviceModelUpdater.exe.

  4. Double-click on BP_5.1orEarlierDeviceModelUpdater.exe, and then click Start.

  5. The status message changes from Waiting to start to Running.

  6. When the update is complete, the status changes to Finished.

  7. New license(s) and an update log file are extracted in the folder.

    Note:  The license(s) may vary.

  8. Click OK to close both updater windows.

  9. Open the Blueprint Administrator, and then click on the Update License button.

  10. Attach the log file to an e-mail, enter the Customer Name in the Subject field, and then send it to

    Note:  This provides information on the license update results and may help in product improvement.


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