Muv has a video about the Singer 15 - it should apply here as well - link to Muv's video:
http://www.youtube.com/watch?v=H2tii...=ULlcX_4plBr4c
Here is a link for more information about the Japanese 15s
http://www.quiltingboard.com/picture...p-t164361.html
Lots of pictures and lots of good information - a good read clear to the end!
Do post your machine's pic on there, too.