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Error 27:01Medium Severity

Too many nozzeles out detected

Last updated: February 22, 2026

Severity:Medium Severity
Affected:0 models
DIY Fix:Possible
System error code: 86:01 on HP T790 T1300 T2300 Designjet Printer

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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 ...

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What This Error Means

Too many nozzeles out detected

Step-by-Step Troubleshooting Guide
  1. 1

    Print the “Nozzle health” diagnostic print from the service menu, replace printhead if nozzels out, if ok run “drop detector calibration”, replace drop detector

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