MFC-L3720CDW

FAQs & Troubleshooting

Horizontal coloured lines appear on the page

Check the following points to resolve the issue:

Identify the color causing the issue and replace the toner cartridge that matches the color of the line.

To identify the color of the toner cartridge and replace 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.
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?

Go to the Manuals section

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

Go to the Contact Us section

Related Models

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FAQs & Troubleshooting

Horizontal coloured lines appear on the page

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

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Support & Downloads

MFC-L3720CDW

Canada(English)