The printhead has failed due to used cartridges installed during the startup process, and must be replaced.
Last updated: February 22, 2026
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ERROR MESSAGE HP DESIGNJET Z6100 ERROR 24:10
How can I* fix this? ERROR 24:10.
The printhead has failed due to used cartridges installed during the startup process, and must be replaced.
- 1
Turn off the printer
- 2
The printhead has failed due to used cartridges installed during the startup process, and must be replaced.
- 3
Restart the printer
- 4
If error persists, contact HP Support
Reference diagrams for common repair procedures related to this error:
Ink System Components & Flow Path

Note: These diagrams are for reference only. Always consult official HP service documentation and follow proper ESD precautions.
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Glossary Terms
Related Questions
The component that deposits ink onto the media. DesignJet printers use thermal inkjet printheads that fire tiny droplets of ink through microscopic nozzles.
A replaceable cartridge that collects excess ink from printhead cleaning cycles, spitting, and other maintenance operations.
A calibration process that ensures all printheads are precisely aligned relative to each other for accurate color registration and sharp output.
When the printhead physically contacts the media surface during printing, potentially damaging both the print and the printhead.
The HP 711 Printhead (C1Q10A) is the replacement printhead for HP DesignJet T120, T520, T125, T130, T525, and T530 printers.
The HP 712 Printhead is designed for HP DesignJet T210, T230, T250, T630, T650, and Studio series printers.
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