MFC-L3780CDW

FAQs & Troubleshooting

FAQs & Troubleshooting
  • Date: 01/20/2023
  • ID: faq00000006_048

Vertical colored streaks or bands appear on the page

Colored streaks or bands down the page


Check the following points to resolve the issue:

  1. (For models with Automatic Document Feeder only)
    Wipe the scanner glass strip with a dry lint free soft cloth.
    > Click here to see how to clean the scanner glass strip.
     
  2. Clean all four corona wires (one for each color) inside the drum unit by sliding the green tab.
    Make sure the green tab of the corona wire is in the home position (1).

    Green tab

    > Click here to see how to clean the corona wires.
     
  3. Replace the toner cartridge that matches the color of the streak or band.
    To identify the color of the toner cartridge, follow the steps below:

     

    1. > Click here to print the chart. [345KB/ PDF]
    2. Compare your printed document with the printed chart to identify the color causing the issue.
    3. Replace the toner cartridge of the color.
      > Click here to see how to replace the toner cartridge.
  4. Install a new drum unit.
    > Click here to see how to replace the drum unit.

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-L3300CDW, MFC-L3720CDW, MFC-L3765CDW, MFC-L3780CDW, MFC-L8395CDW

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