Welcome. I sure hope you can find some more accessories for your machine.
From my research that is a very good machine. A manual would probably tell you what accessories were made for your machine. Additionally, I think, the monogrammer would have a separate instruction manual.
I found a couple of sites that have downloadable manuals:
http://pages.sewing-machine-manuals....924061985.html
https://www.sewingpartsonline.com/in...158-19140.aspx
Janey - Neat people never make the exciting discoveries I do.