FAQs & Troubleshooting

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MFC-L8850CDW

FAQs & Troubleshooting

FAQs & Troubleshooting

MFC-L8850CDW

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Date: 10/07/2019 ID: faq00000154_064

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 that the machine is turned on.
  2. Press the front cover release button and then open the front cover.
    Open_front_cover
     
  3. Hold the blue handle of the drum unit. Pull the drum unit out until it stops.
    Pull_drum
  4. Turn the blue lock lever (1) at the left of the machine counterclockwise to the release position. Holding the blue handles of the drum unit, lift the front of the drum unit and remove it from the machine.
    Lock_lever_coounerclockwise
  5. Hold the handle of the toner cartridge and gently push it forward to unlock it. Then pull it out of the drum unit. Repeat this for all the toner cartridges.
    Pull_toner
  6. Unpack the new drum unit and remove the protective cover.
    Unpack_drum
     
  7. Hold the handle of the toner cartridge and slide it into the appropriate colored section of the drum unit until you hear it click into place.
    Slide_toner
     
  8. Make sure the blue lock lever (1) is in the release position as shown in the illustration.
    Lock_lever_release_position
  9. Gently slide the drum unit into the machine until it stops at the blue lock lever.
    Slide_drum
     
  10. Turn the blue lock lever (1) clockwise to the lock position.
    Lock_lever_clockwise
     
  11. Push the drum unit in until it stops
    Push_drum
     
  12. Close the front cover of the machine.

 

Reset the drum counter

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

Click on the image to play the video instructions

You can see the steps with video clips.
 

  • The clip is being streamed from YouTube. (Opens in a new window.)
  • The product shown in this video may differ from the ones that you are using.
  • Video contents may change without prior notice.
  1. Press Cancel(Cancel) to interrupt the error displayed on the Touchscreen.
  2. Press Settings(Settings).
  3. Press All Settings.
  4. Press the Up or Down arrow key to display Machine Info..
  5. Press Machine Info..
  6. Press Parts Life.
  7. Touch the DIAL PAD for one second to display the keys.
    DIAL PAD
  8. Press and hold # until the Touchscreen message changes.
  9. Press Drum.
  10. Press Yes.
  11. Press Home(Home).

Related Models

MFC-L8850CDW, MFC-L9550CDW

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

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