Machine performance will suffer if lint and dust collects in the bobbin case, therefore, it should be cleaned regularly.

1. Press (Needle position button) to raise the needle.
   
    
2. Turn off the machine.
   
    
3. Unplug the power cord from the power supply jack on the right side of the machine.

   Unplug the power cord before cleaning the machine, otherwise injuries or an electric shock may occur.

   
    
4. Remove the needle and embroidery foot.
   For details, refer to “How do I change the needle?” and “How do I remove or attach the Embroidery foot?”.
   
    
5. Remove the embroidery unit.
   
    
6. Remove the bobbin cover.
   
    
7. Place the index finger of your right hand near the bottom of the latch on the needle plate cover. Insert the tip of the index finger of your left hand into the notch at the back of the needle plate cover. Place the thumb of your left hand at the front of the needle plate cover.
    
8. Slide the needle plate cover toward you to remove it.
    
9. Grasp the bobbin case, and then pull it out.
    
10. 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.

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

    (1) mark (2) mark (3) Bobbin case   Align the and marks.

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

    
     
12. Insert the tabs on the needle plate cover into the needle plate, and then slide the cover back on. Reattach the bobbin cover.