I have the exact same problem. After trying all the manufactures suggestions I too googled for a solution. More than one individual suggested raising the side panels that say Pfaff on them, so the top of the panel is about an inch about the table. I then rooted through my husbands tool box, (I know bad girl) and got his level and tape measure. I leveled the bars length ways and then measured the distance between the top take up bar and the top rail where the quilt backing is wound. Unbelievabe how much they can get out of wack from all the shaking of the table while quilting. Best of luck let me know how it turns out. PS if you google it you will also see a pic. cheers,