59-A0Color LaserJet Pro M155a

HP Color LaserJet Pro M155a error 59.A0: Fix guide

The HP Color LaserJet Pro M155a error 59.A0 is a diagnostic code associated with a failure in the imaging transfer motor. This issue interrupts the normal rotation of internal gear sets, often leading to a full system lockout and printing stoppage. If you find yourself asking what causes HP Color LaserJet Pro M155a error 59.A0, it is usually a result of mechanical resistance or sensor feedback failure.

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Common causes

  • 1Mechanical blockage caused by debris or internal paper scraps.
  • 2Internal motor controller failure detected by firmware.
  • 3Gear damage within the imaging unit assembly.
  • 4Intermittent electrical connection between the motor and motherboard.

Solutions

Diagnóstico rápido

The 59.A0 error occurs when the internal controller detects that the transfer motor is not spinning as commanded. Listen for any clicking or grinding sounds during the printer's warm-up cycle.

Solución paso a paso

  1. Power cycle: Turn off the printer and disconnect it from the wall outlet for 60 seconds.
  2. Check for debris: Open the front door, remove the toner cartridges, and look for paper remnants hindering gear rotation.
  3. Power up: Reinstall cartridges, plug the power cable back in, and turn on the device to test functionality.

Prevención y mantenimiento

Keep the printer in a clean environment to prevent dust buildup on internal parts. Always use standard paper weights to avoid straining the imaging assembly.

Cuándo llamar a un técnico

If the error repeats after a power cycle, the internal motor assembly may require a professional repair or full replacement of the imaging belt drive system.

Ficha técnica del equipo

  • Technology: Color laser.
  • Speed/performance: 17 ppm (black/color).
  • Connectivity: USB 2.0, Ethernet.
  • Feed capacity: 150-sheet tray.
  • Compatible consumables: HP 215A series.
  • Recommended use: SOHO environments.
  • Official drivers / firmware

Steps to follow

  1. 1

    Power cycle

    Turn off the printer and disconnect it from the wall outlet for 60 seconds.

  2. 2

    Check for debris

    Open the front door, remove the toner cartridges, and look for paper remnants hindering gear rotation.

  3. 3

    Power up

    Reinstall cartridges, plug the power cable back in, and turn on the device to test functionality.

Frequently asked questions

This error indicates a malfunction in the Image Transfer Belt (ITB) motor, causing the rotation to stall.

Yes, it is a critical state that shuts down the motor to prevent further physical damage to the printer components.

This model uses the HP 215A toner family.

Avoid using overly thick paper and perform visual inspections every time you replace your toner set.