Brother International Quattro 2 6700D Users Manual - English - Page 82

STITCH SETTINGS ■ Upper Thread is Too Tight If the bobbin thread is visible from the right side of the fabric, the upper thread is too tight. Note • If the bobbin thread was incorrectly threaded, the upper thread may be too tight. In this case, refer to "Setting the Bobbin" (page 54) and rethread the bobbin thread. ■ Upper Thread is Too Loose If the upper thread is visible from the wrong side of the fabric, the upper thread is too loose. Note • If the upper thread was incorrectly threaded, the upper thread may be too loose. In this case, refer to "Upper Threading" (page 57) and rethread the upper thread. a Bobbin thread b Upper thread c Surface d Locks appear on surface of fabric Press , to loosen the upper thread. Memo • When you finish sewing, remove the bobbin cover and then make sure that the thread is shown as below. If the thread is not shown as below, the thread is not inserted through the tension-adjusting spring of the bobbin case correctly. Reinsert the thread correctly. For details, refer to page 54. a Upper thread b Bobbin thread c Wrong side d Locks appear on wrong side of fabric Press , to tighten the upper thread. Memo • Press to return the thread tension to the original setting. 80