The firmware has detected an unsupported Formatter PCA version
Last updated: February 22, 2026
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HP Z9+ System error: 0021-0002-0017
The firmware has detected an unsupported Formatter PCA version
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Make sure that the printer has the latest firmware version. Upgrade firmware. Run the 04501 Check Mainboard service diagnostic. Replace formatter.
Reference diagrams for common repair procedures related to this error:
Formatter Board Location & Connections
Note: These diagrams are for reference only. Always consult official HP service documentation and follow proper ESD precautions.
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The internal software embedded in the printer that controls all hardware operations, user interface, network connectivity, and print processing.
The main logic board inside an HP DesignJet printer that controls all operations, including processing print jobs, managing ink delivery, and communicating with connected devices.
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