55.06.01PageWide Enterprise 780dn

HP PageWide Enterprise 780dn 55.06.01 error: Solution

The HP PageWide Enterprise 780dn 55.06.01 error is a technical notice regarding a malfunction of the print motor controller. This error occurs when the main board fails to receive correct rotation signals from the motor or detects a physical blockage. To resolve it, physical debris removal and a power cycle are required.

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Common causes

  • 1DC motor failure.
  • 2Mechanical resistance due to paper debris in the gears.
  • 3Faulty motor controller board.
  • 4Voltage fluctuations preventing the motor from reaching operation speed.

Solutions

Diagnóstico rápido

The 55.06.01 error appears during startup or just before a print task. An unusual noise or buzzing sound at the time of the alert is a clear sign that the motor is experiencing mechanical resistance.

Solución paso a paso

  1. Power down: Turn off and unplug the unit completely from the power source.
  2. Physical inspection: Remove all trays and check the transfer area for paper scraps or staples.
  3. Power cycle: Connect the unit directly to a wall outlet to ensure the motor receives constant voltage.
  4. Verify error: Turn on the unit and observe if the message persists on the touch panel.

Prevención y mantenimiento

Avoid printing on heavy or non-specified media. Clean the rollers with lint-free cloths every 100,000 pages to prevent workload strain on the motor due to friction.

Cuándo llamar a un técnico

If the 55.06.01 error remains after the steps above, it is highly likely that the DC motor or its controller board has failed and needs replacement by a qualified technician.

Ficha técnica del equipo

  • Technology: PageWide
  • Speed/Approximate performance: 70 ppm
  • Connectivity: USB/Ethernet
  • Input capacity: 4650 sheets
  • Compatible supplies: HP 991 Cartridges
  • Recommended use: High-volume printing
  • Official drivers / firmware

Steps to follow

  1. 1

    Power off the system

    Turn off the device using the switch and unplug the power cable for 2 minutes.

  2. 2

    Check for obstructions

    Open trays and visually check for paper scraps or debris blocking the motor movement.

  3. 3

    Motor reset

    Reconnect the printer to a direct power outlet, avoiding power strips, and check if the error disappears.

Frequently asked questions

This error points to a DC motor controller fault, occurring when the system cannot detect the correct rotation or speed.

Yes, this error will halt all printing. Immediate attention is required to avoid further mechanical stress on the motor gears.

No. This is an electromechanical issue unrelated to the status of your ink cartridges.

Keep the interior free of paper scraps and ensure the printer is on a level surface to prevent unnecessary strain on the motor.