drum-errorDCP-8155DN

Brother DCP-8155DN Drum Error: How to Fix

The Brother DCP-8155DN error drum error signals that the imaging unit requires maintenance or has reached its end of service. This code is designed to protect your prints from toner smudges and lines. Most issues are resolved by performing a quick manual cleaning of the internal corona wire.

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Common causes

  • 1Page limit reached: Drum counter exceeded.
  • 2Debris on corona wire: Accumulation of toner or paper dust.
  • 3Physical scratches: Surface damage to the photosensitive drum.
  • 4Improper installation: The drum unit is not seated correctly.

Solutions

Diagnóstico rápido

The Drum Error message appears on the LCD panel when the drum's page count threshold is exceeded. If you see dark lines or repeating dots on your pages, it confirms the drum surface is degraded or dirty. Always distinguish this from toner low messages, as they require different maintenance actions.

Solución paso a paso

  1. Open Front Cover: Open the front cover to access the drum and toner assembly.
  2. Clean Corona Wire: Slide the green tab back and forth several times to clean the wire.
  3. Reseat Assembly: Ensure the assembly is correctly clicked into its place and close the cover.
  4. Reset Counter: Press the Clear button to confirm if a new drum unit was installed.

Prevención y mantenimiento

Clean the corona wire regularly to prevent debris buildup. Avoid exposing the drum unit to direct sunlight or touching its surface with your hands, as oils will damage the drum coating. Always use original Brother paper for optimal lifespan.

Cuándo llamar a un técnico

If the error persists after cleaning and resetting the counter, the photosensitive drum coating is likely damaged and cannot be repaired. In this case, replace the drum unit entirely.

Ficha técnica del equipo

  • Technology: Monochrome laser multifunction.
  • Speed: Up to 40 ppm.
  • Connectivity: USB, Ethernet.
  • Paper Capacity: 250-sheet tray.
  • Consumible compatible: DR-720 drum / TN-750 toner.
  • Usage: High-volume office printing.
  • Official Drivers / firmware

Steps to follow

  1. 1

    Open Front Cover

    Open the front cover to access the drum and toner assembly.

  2. 2

    Clean Corona Wire

    Slide the green tab back and forth several times to clean the wire.

  3. 3

    Reseat Assembly

    Ensure the assembly is correctly clicked into its place and close the cover.

  4. 4

    Reset Counter

    Press the Clear button to confirm if a new drum unit was installed.

Frequently asked questions

The printer detects the drum unit has reached its expected page limit or there is debris on the corona wire.

You may experience poor print quality, such as streaks or dark spots; the device usually locks to prevent further issues.

You likely need the DR-720 drum unit.

Cleaning the corona wire every time you change the toner cartridge is best practice for print longevity.