Brother International XR9550 Operation Manual - Page 70

APPENDIX Symptom Possible cause How to put it right Reference Fabric being sewn with the machine cannot be removed. Thread is tangled below the needle plate. Lift up the fabric and cut the threads below it, and clean the race. page 63 The spool or spool cap is incorrectly installed. Correctly install the spool or spool cap. page 16 The upper thread was not threaded correctly. Correct the upper threading. page 16 The needle is incorrectly installed. Correctly install the needle. page 21 The needle clamp screw is loose. Use the disc-shaped screwdriver to firmly tighten the screw. page 21 The needle is bent or blunt. Replace the needle. page 21 You have not used the right combination Choose a thread and needle that are of fabric, thread and needle. appropriate for the type of fabric. page 20 The presser foot you are using is not appropriate for the type of stitch that you want to sew. Attach the presser foot that is correct for the type of stitch that you want to sew. page 52 The upper thread tension is too tight. Loosen the upper thread tension. page 27 The needle breaks. You are pulling the fabric too much. Lightly guide the fabric. - The area around the hole in the needle plate is scratched. * There is a notch on a Replace the needle plate. the left side of the Contact your retailer or the nearest - opening in the needle authorized service center. plate. This is not a scratch. 1 Notch The area around the hole in the presser foot is scratched. Replace the presser foot. Contact your retailer or the nearest authorized service center. - Replace the bobbin case. The bobbin case is scratched. Contact your retailer or the nearest - authorized service center. You have not used a bobbin that has been designed for this machine. Incorrect bobbins will not work properly. Only use a bobbin that has been designed for this machine. page 11 The upper thread was not threaded correctly. (for example, the spool is not installed correctly, the spool cap is too big for the spool being used, or the thread has come out of the needle bar thread guide.) Correct the upper threading. Use the spool cap that best fits the size of the spool being used. page 16 The upper thread breaks. There are knots or tangles in the thread. Remove any knots or tangles. The needle is not appropriate for the Choose a needle that is appropriate for thread you are using. the type of stitch. - page 20 The upper thread tension is too tight. Loosen the upper thread tension. page 27 The thread is tangled, for example, in the race. Remove the tangle thread. If the thread is tangled in the race, clean the race. page 60, 62 The needle is bent or blunt. Replace the needle. page 21 The needle is incorrectly installed. Correctly install the needle. page 21 68