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Error 86:0008Medium Severity

There may be a paper or carriage jam. Check and clear the paper path if necessary. Also clean the carriage encoder strip.

Last updated: February 22, 2026

Severity:Medium Severity
Affected:0 models
DIY Fix:Possible
HP Designjet 500 & 800 Error 86:01 AFTER Belt Replacement

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HP Designjet 500 & 800 Error 86:01 AFTER Belt Replacement

Troubleshoot error 86:01 on your DJ 500/800 after replacing the carriage belt. Here are the most common causes of error 86:01 ...

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What This Error Means

There may be a paper or carriage jam. Check and clear the paper path if necessary. Also clean the carriage encoder strip.

Step-by-Step Troubleshooting Guide
  1. 1

    Turn off the printer

  2. 2

    There may be a paper or carriage jam. Check and clear the paper path if necessary. Also clean the carriage encoder strip.

  3. 3

    Restart the printer

  4. 4

    If error persists, contact HP Support

Technical Service Diagrams

Reference diagrams for common repair procedures related to this error:

Carriage Belt Replacement

HP DesignJet Carriage Belt Replacement Diagram

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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