drum-errorHL-L6400DW

Brother HL-L6400DW Drum Error: How to Reset

The Brother HL-L6400DW drum error signals that the drum unit life counter has reached its limit or the corona wire is dusty. Why does my printer show drum error? This message is a standard reminder to perform maintenance. Users can often clear this by cleaning the corona wire or resetting the counter via the printer's touchscreen settings.

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Common causes

  • 1Drum unit page count reached.
  • 2Corona wire contaminated with toner dust.
  • 3Physical wear of the drum's photosensitive layer.
  • 4Drum unit sensor blockage.

Solutions

Quick Diagnosis

If the 'Drum Error' appears but your documents are clear, it is likely a software counter reached. If you notice vertical streaks or spots, the drum unit has physical debris or damage that requires intervention.

Step-by-step Solution

  1. Open Front Cover: Open the front cover and pull out the drum unit and toner cartridge assembly.
  2. Clean Corona Wire: Slide the green tab back and forth several times to clean the corona wire.
  3. Inspect Drum Surface: Check the cylindrical drum surface for glue, dust, or scratches.
  4. Reset Counter: Access the settings on the touchscreen and select 'Replace Drum' to reset the page counter.

Prevention and Maintenance

Always keep the interior free of paper scraps. Clean the corona wire at each toner replacement. Using genuine DR-890 drum units ensures the longevity of your printer and prevents premature error messages.

When to Call a Technician

If the error remains after a reset and cleaning, the internal sensor or the drum motor drive mechanism might have failed, requiring specialized assistance.

Technical Equipment Data

  • Technology: Monochrome Laser
  • Speed/Performance: 52 ppm
  • Connectivity: Wi-Fi, Ethernet, USB
  • Input Capacity: 520 sheets
  • Compatible Consumables: DR-890 Drum, TN-890 Toner
  • Recommended Use: High-volume corporate offices
  • Drivers / Official Firmware

Steps to follow

  1. 1

    Open Front Cover

    Open the front cover and pull out the drum unit and toner cartridge assembly.

  2. 2

    Clean Corona Wire

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

  3. 3

    Reset Counter

    Access the settings on the touchscreen and select 'Replace Drum' to reset the counter.

Frequently asked questions

The error triggers when the drum unit reaches its rated page limit or the corona wire requires cleaning.

It is not immediately critical, but print quality will degrade over time until the unit is serviced.

The model uses the DR-890 drum unit. Original parts are recommended to ensure long-term reliability.

Cleaning the corona wire during every toner replacement helps prevent streaks and artifacts.