Janome Sewing Machine Needle Threader - SMALL FIXING SCREW
This is the very small set screw which holds the thread in place onto the threader bar
Janome Needle Threader small Screw 000105501 to secure 734515009 to machine
its best to remove the needle when replacing the threader then put a new needle in for testing, size 80/12 or 90/14
This will only fit the models listed or that take this part number
Part No. 000105501