MFC-9840CDW
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FAQs & Troubleshooting |
![](/g/b/img/product/mfc9840cdw_all.jpg)
MFC-9840CDW
Date: 10/05/2013 ID: faq00000211_015
White lines or bands or ribbing appear across the page.
![](/g/b/img/faqend/faq00000211_015/ph/en/91853/27_pq_01.gif)
Please check the following points:
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Make sure that the machine is on a solid level surface.
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Make sure that the toner cartridges are installed properly.
Please refer to the instructions, "How do I replace the toner cartridge?". -
Shake the toner cartridges gently from side to side.
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Make sure that the drum unit is installed properly.
Please refer to the instructions, "How do I replace the drum unit?". -
Make sure that you use paper that meets our specifications. A rough surfaced paper or thick print media can cause the problem.
Please refer to "What is the recommended paper?". -
Clean the laser scanner windows with a soft cloth.
Please refer to the instructions, "How do I clean the laser scanner windows?". -
The drum unit may be damaged. Put in a new drum unit.
Please refer to the instructions, "How do I replace the drum unit?".
MFC-9840CDW
If you need further assistance, please contact Brother customer service:
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