How to reset Brother MFC-7840w Drum

  1. Make sure that the machine is turned on.
  2. Open the front cover.
    Open the front cover
  3. Press Clear or Clear/Back on the control panel.
    NOTE: The layout of a control panel differs depending on the model, but the Clear or Clear/Back button is located on the right side of the LCD screen as shown in illustration.

    Control Panel
  4. Do one of the following.
    • If your Brother machine has a numeric keypad:
      Press 1 to reset the drum counter.
    • If your Brother machine doesn’t have a numeric keypad:
      Press the Up Arrow Key to reset the drum counter.
  5. When the LCD shows Accepted, close the front cover.

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