I bought a new Janome 11,000SE and found it interesting that I could lift the feed-dogs higher by pressing the lever upwards
again. I ended up with 1/2" of space or so. It was in the manual. So I tried it on my old Janome, same thing, works the same!
That would have been very helpful to know when I was sewing my denim purse that I struggled with -- trying to squeeze it under the feed-dogs!
http://www.quiltingboard.com/main-f1...n-t188650.html
Bottom line? You can fit the bulk of your quilt under the feed-dogs with these machines.