Cleaning the race

1. Press the Needle Position button to raise the needle.
   
    
2. Turn the main power to OFF, and then unplug the machine.
   
    
3. Remove the needle and the presser foot.
   
    
4. Remove the flat bed attachment or the embroidery unit if either is attached.
   
    
5. Slide the needle plate lever toward you.

   

   (1) Slide toward you.

   >> The needle plate opens.

   
    
6. Slide out the needle plate with your right hand to remove it.

   

   
    
7. Grasp the bobbin case, and then gently lift out.

   

   (1) Bobbin case

   
    
8. Use the cleaning brush or a vacuum cleaner to remove any lint and dust from the race and bobbin thread sensor and the surrounding area.

   

   (1) Cleaning brush (2) Race (3) Bobbin thread sensor

   Do not apply oil to the bobbin case.

   If lint or dust collects on the bobbin thread sensor, the sensor may not operate correctly.

    
9. Insert the bobbin case so that the mark on the bobbin case aligns with the mark on the machine.

   

   (1) Bobbin case(2) "" mark on the bobbin case (3) "" mark on the machine

   * Make sure that the indicated points are aligned before installing the bobbin case.

   • Never use a bobbin case that is scratched or has a burr on it. Otherwise the upper thread may become tangled, and the needle may break and cause injury. For a new bobbin case, contact your nearest Brother authorized service center.
   • Make sure that you fit the bobbin case properly, otherwise the needle may break and cause injury.
10. Insert the tabs on the needle plate into the notches in the machine.

    

    (1) Tabs (2) Notches

    
     
11. Press down on the right side of the needle plate to secure it.

    

Cleaning the cutter in the bobbin case area

1. Follow steps 1 through 7 in “Cleaning the Race” section to remove the needle plate and bobbin case.
   
    
2. Use the cleaning brush or a vacuum cleaner to remove any lint and dust from the cutter in the bobbin case area.

   

   (1) Cutter

   Do not touch the cutter, otherwise injuries may result.

   
    
3. Attach the needle plate.