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Error 0x00F40001Critical Severity

Service Error: Data Bus Error

Severity:Critical Severity
Affected:14 models
DIY Fix:Professional Recommended
What This Error Means

This error indicates a problem with the internal data communication pathways (bus) between major components. This is a critical system failure.

Common Causes
  • 1Defective Formatter Board (Main Logic Board) causing data bus communication failure.
  • 2Loose, damaged, or corroded ribbon cables connecting critical components (e.g., Formatter to Carriage PCA, Formatter to Hard Drive, Formatter to Front Panel).
  • 3Failure of the Hard Disk Drive (HDD) or Solid State Drive (SSD) preventing proper data exchange over the bus.
  • 4Malfunctioning Carriage PCA (Printed Circuit Assembly) leading to data bus errors during communication with the Formatter.
  • 5Power supply unit (PSU) instability or failure affecting the integrity of data signals on the bus.
Symptoms to Watch For
  • Printer freezes or becomes unresponsive during operation or startup.
  • Printer displays the error code 0x00F40001 immediately upon power-on or during initialization.
  • Inability to print or process print jobs, with the printer remaining idle despite commands.
  • Front panel display showing garbled text, partial information, or becoming completely blank.
  • Repeated reboots or power cycles without resolving the error, indicating a persistent hardware issue.
Basic Troubleshooting Steps
1. Turn off the printer and unplug it. 2. Wait 5 minutes, then plug it back in and restart. 3. If the error persists, service is required, as the Main PCA will likely need replacement.

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Affected Printers (14)
DesignJet 1055cm
DesignJet 130
DesignJet 800
DesignJet T2530
DesignJet T650
DesignJet T7200
DesignJet T790
DesignJet T830 MFP
DesignJet Z5200 PostScript
DesignJet Z5400
DesignJet Z6800
DesignJet Z6800 Production Printer
DesignJet Z9
HP Latex/DesignJet L25500
Related Resources
DesignJet Glossary
FAQ
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