Brother International Innov-is NQ550PRW Operation Manual - Page 111
Slightly lift up the needle plate, cut any tangled
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Cut out the tangled threads, and then remove the g bobbin. Remove the bobbin case. h If threads remain in the bobbin case, remove them. Troubleshooting Memo • (For models that include the L-shaped screwdriver) You can also use the L-shaped screwdriver to remove the screw in the needle plate cover. 1 Bobbin case Use the cleaning brush or a vacuum cleaner mini i attachment to remove any lint or dust from the race and its surrounding area. Note • Be careful not to drop the removed screws in the machine. Slightly lift up the needle plate, cut any tangled k threads, and then remove the needle plate. Remove the fabric and threads from the needle plate. A MAINTENANCE AND TROUBLESHOOTING 1 Cleaning brush 2 Race If the fabric could be removed. Continue with step p. If the fabric could not be removed. Continue with step j. Note • Compressed can air is not recommended to be used. Use the included disc-shaped screwdriver to loosen the j two screws on the needle plate. If the fabric cannot be removed, even after completing these steps, contact your nearest Brother authorized service center. Remove any threads in the race and around the feed l dogs. Turn the handwheel to raise the feed dogs. m Align the two screw holes in the needle plate with the n two holes at the needle plate mounting base, and then fit the needle plate onto the machine. Lightly finger-tighten the screw on the right side of the o needle plate. Then, use the disc-shaped (or L-shaped) screwdriver to firmly tighten the screw on the left side. Finally, firmly tighten the screw on the right side. Appendix A-9