Motor driver not working, Primer pump 2 is working.
Last updated: February 22, 2026
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Motor driver not working, Primer pump 2 is working.
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Restart. Check pump and connectors properly connected? not broken, dirty,damaged? Run the 02103 Check Primer motor, replace Primer pump, replace Engine PCA
Reference diagrams for common repair procedures related to this error:
Carriage Belt Replacement
Note: These diagrams are for reference only. Always consult official HP service documentation and follow proper ESD precautions.
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The motor that drives the carriage assembly horizontally across the platen. It's responsible for the precise left-right movement of the printheads during printing.
The motor responsible for feeding media through the printer in precise increments between each pass of the printhead carriage.
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