An Error has occurred in Printhead detection
Last updated: February 22, 2026
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HP printers error 27
An error has occurred in Printhead detection.
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Reboot. Remove printheads and reinsert, repalce the printheads, replace the carriage cover, replace the Carriage PCA, Replace Formatter
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The component that deposits ink onto the media. DesignJet printers use thermal inkjet printheads that fire tiny droplets of ink through microscopic nozzles.
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.
A numeric or alphanumeric code displayed on the printer's front panel or in diagnostic logs that identifies a specific hardware or software malfunction.
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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