FAQs & Troubleshooting

FAQs & Troubleshooting

Replace Drum

The Brother machine has separate consumables the toner cartridge and the drum unit. Verify you replace only the drum unit and not the toner cartridge. If you want to know their difference, refer to "What is the difference between the toner cartridge and the drum unit?"


Replace the drum following the steps below:


Replacing the drum unit

  1. Make sure the machine is turned on.
  2. Open the front cover.
    Open Front Cover
  3. Remove the toner cartridge and drum unit assembly from the machine.
    Remove Toner
  4. Push down the green lock lever and take the toner cartridge out of the drum unit.
    Take Toner Out
  5. Unpack the new drum unit.
  6. Put the toner cartridge firmly into the new drum unit until you hear it lock into place.
    Put Toner
    Make sure you put the toner cartridge in correctly or it may separate from the drum unit.
  7. Clean the corona wire inside the drum unit by gently sliding the green tab from left to right and right to left several times.
    Clean Corona Wire
    Be sure to return the tab to the Home position (TabHomePosition). The arrow on the tab must be aligned with the arrow on the drum unit. If it is not, printed pages may have a vertical stripe.
  8. Install the toner cartridge and drum unit assembly back into the machine.
    Install Toner
  9. Close the front cover of the machine.


Reset the drum counter

When you replace the drum unit with a new one, you must reset the drum counter by completing the following steps:

  1. Make sure the machine is turned on.
  2. Press Settings(Settings) > All Settings > Machine Info. > Parts Life.
  3. Press and hold Drum Life until the machine's display message changes.
  4. Press Yes.
  5. Press Home(Home).

If your question was not answered, have you checked other FAQs?

Have you checked the manuals?

If you need further assistance, please contact Brother customer service:

Related Models

MFC-L5700DN, MFC-L5900DW, MFC-L6900DW

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