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Error 4:0001Medium Severity

Printer Bundle Board communication failure or malfunction Other potential parts associated: Bundle FFC, Main PCA

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

Printer Bundle Board communication failure or malfunction Other potential parts associated: Bundle FFC, Main PCA

Step-by-Step Troubleshooting Guide
  1. 1

    Remote troubleshooting (call agent) Switch the power off and disconnect the power cord. Reconnect the power cord and power on the printer. The call agent should arrange a service engineer visit to change the Bundle PCA and follow steps below on Onsite Troubleshooting: Printer Bundle Board If a different system error is displayed then the call agent should perform the applicable troubleshooting procedure. Onsite troubleshooting and solution (service engineer) Remove covers and check that all the cables in the Bundle PCA and associated parts are correctly connected, and that none of them is damaged. If any cable is disconnected then reconnect it, and power on the printer again to check whether the system error has disappeared. Important note: If any cable is damaged then order a Cable Service Kit: Cables and sensors Replace the Bundle PCA. See Print Bundle PCA (PBB) (2Y9H0-67017) on page 523. Printer Bundle Board Replace the Bundle FFC cable. Replace the Main PCA. See Main PCA (2Y9H0-67016, 2Y9H1-67015, 2Y9H2-67002, 2Y9H3-67003) on page 517 Main PCA System error:

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