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Error 0001-0001-0040Medium Severity

E-box – Formatter PCA empty/not purged/low battery

Last updated: February 22, 2026

Severity:Medium Severity
Affected:0 models
DIY Fix:Possible
#printer HP DESIGNJET T795 - How To Replace Printhead ? #tips #hp #repair

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#printer HP DESIGNJET T795 - How To Replace Printhead ? #tips #hp #repair

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What This Error Means

E-box – Formatter PCA empty/not purged/low battery

Step-by-Step Troubleshooting Guide
  1. 1

    Replace the RTC battery

Technical Service Diagrams

Reference diagrams for common repair procedures related to this error:

Formatter Board Location & Connections

HP DesignJet Formatter Board Location Diagram

Note: These diagrams are for reference only. Always consult official HP service documentation and follow proper ESD precautions.

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Related Glossary Terms
PCA (Printed Circuit Assembly)

The main logic board inside an HP DesignJet printer that controls all operations, including processing print jobs, managing ink delivery, and communicating with connected devices.

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Troubleshooting

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