Carriage PCA communication Mech Control FPGA
Last updated: February 22, 2026
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HP Z9+ System error: 0021-0002-0017
Carriage PCA communication Mech Control FPGA
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Reboot, run 0086-01 Carriage - Check electronics diagnostic, Replace Carriage PCA, Replace Formatter PCA
Reference diagrams for common repair procedures related to this error:
Carriage Belt Replacement
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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Related Questions
The mechanism that moves the printheads back and forth across the media during printing. It rides on a guide rail and is driven by the scan-axis motor via a belt.
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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