Printhead spit test temperature for color failed (Magenta)
Last updated: February 22, 2026
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System error code: 86:01 on HP T790 T1300 T2300 Designjet Printer
System error code: 86:01 on HP T790 T1300 T2300 Designjet Printer See this video: https://youtu.be/Lhb-g4gKpKE Carriage ...
Printhead spit test temperature for color failed (Magenta)
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Ensure carriage latch is properly engaged. Reseat the printhead. Replace the printhead.
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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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.
The process of adjusting the printer's color output to match a known standard, ensuring consistent and accurate color reproduction.
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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