HL-3070CW

FAQs & Troubleshooting

FAQs & Troubleshooting

Replace Belt unit

Follow the procedure below to replace the belt unit.

  1. Turn off the printer power switch.

    Turn Off Printer


  2. Fully open the top cover by lifting up on the handle (1).

    Open Top Cover


  3. Take out all the drum unit and toner cartridge assemblies.

    Remove Toner Cartridge




    • We recommend that you place the drum unit and toner cartridge assembly on a clean, flat surface with a sheet of disposable paper or cloth underneath it in case you accidentally spill or scatter toner.
    • To prevent damage to the printer from static electricity, DO NOT touch the electrodes shown in the illustration.

      Do Not Touch 1
    • Handle the toner cartridge carefully. If toner scatters on your hands or clothes, wipe or wash it off with cold water at once.
    • To avoid print quality problems, DO NOT touch the shaded parts shown in the illustrations.

      Do Not Touch 2

  4. Hold the green handle of the belt unit and lift the belt unit up, then pull it out.

    Remove Belt Unit


    To avoid print quality problems, DO NOT touch the shaded parts shown in the illustrations.

    Do Not Touch 3



  5. Unpack the new belt unit and put the new belt unit in the printer.

    Reset Belt Unit

  6. Slide the drum unit and toner cartridge assembly into the printer. Make sure that you match the toner cartridge color to the same color label on the printer. Repeat this for all the drum unit and toner cartridge assemblies.

    C- Cyan, M- magenta, Y- Yellow, K- Black

    Reset Toner Cartridge


  7. Close the top cover of the printer.
    When you replace the belt unit with a new one, you need to reset the belt unit counter. Go to the Step 8 to complete the steps.

    Close Top Cover


  8. Reset the belt unit counter as follows:

    1. Turn the printer power switch back on.
    2. Press + or - to choose "Machine Info.".
    3. Press OK to proceed to the next menu level, and then press + or - to choose "Reset Parts Life".
    4. Press OK, and then press + to choose "Belt Unit".
    5. Press OK two times.

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

HL-3040CN, HL-3070CW

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