This message was posted by Rod or Sharon on AmayaUsers.com. PLEASE DO NOT REPLY VIA EMAIL. Instead, respond to the thread on the WEBSITE by clicking here: http://www.amayausers.com/boards/cgi-bin/ultimatebb.cgi?/topic/2/1602.html#000004 12 different heads? You mean this is happening on more than one machine? How many machines are you running? What brand of needles are you using and what size? I see you said 70's, but? Also how is the needle orientation? When your tech gets there , tell him that I suggested that he look at the following....... Hook timings Needle orientation Needle depths Needlecase calibrations Trimmer specs Remove the retaining support finger and check the face of the finger for burrs, nicks and/or vertical grooves pressserfoot heights Rod Springer Amaya Tech & Trainer =========================================================== The AmayaUsers Mailing List Website: http://www.amayausers.com Discussion Board: http://www.amayausers.com/boards Subscribe/Unsubscribe: http://www.amayausers.com/list ===========================================================