Hi,
I have a old Bernina 730 Record and a newer Bernina 1090 that I clean with a regular sewing machine lint brush. Here are some neat instructions on cleaning out a Bernina machine and he uses some different "tools" you're sure to have around the house. :thumbup:
http://blog.tv-sewingcenter.com/bern...ewing-machine/
Hope you find this helpful, I know I learned a thing or two. :D