Originally Posted by quilterella
I have both the Janome 6500 & 6600, and neither of them like Gutterman or Coats&Clark. Mettler & Aurafil(when I can find it) is all I use. Janomes are wonderful machines but they can be finicky.
Janome 6600P here - found Connecting Threads does better than Mettler - not so much lint. I am in the process of buying every CT color they have so I can pitch C&C. Only use it for applique.