MFC-9450CDN

FAQs & Troubleshooting

FAQs & Troubleshooting

There are spots printed at 75mm intervals down the page.



 

 
 

First try printing a few pages to try and clean the drum unit. If the problem is not solved after printing a few pages, the drum unit may have glue from a label stuck on the drum surface.

Follow the steps below to perform additional cleaning of the drum unit.

  1. Clean the drum unit with Drum Cleaning mode.

     

    • Press the front cover release button and then open the front cover.
       


     

    • Close the front cover of the machine. The machine starts warming up.
    • Pull out the MP tray support and unfold the flap.
       

    • Put a blank sheet of paper in the MP tray.
    • When the machine finishes warming up, press Clear / Back first and then press the Left Arrow key.
      Keep Clear / Back and the Left Arrow key pressed down until "DRUM CLEANING" is displayed on the LCD.
    • Press Mono Start or Colour Start.
      The paper will feed into the machine to start the drum cleaning.
    • When "DRUM CLEANING / COMPLETED" is displayed on the LCD, press Stop / Exit.
    • Try to print again.
      If this problem still remains, repeat the above steps several times.
       

 

We recommend this cleaning operation once a month to keep the best quality.

 


 

  1. Pull the drum unit out from the machine and clean it. See "How do I clean the drum unit?".
    If the problem is not solved after doing step 2, repeat step 1 again.
  2. If this problem is not solved after doing steps 1 and 2, the drum unit may be damaged.
    Replace the drum unit with new one. See "How do I 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

DCP-9040CN, DCP-9042CDN, MFC-9440CN, MFC-9450CDN

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