I can't see why not, as long as the 2090 is 4090 (not up on my Savin model numbers), all that changes is the model number and the insert. All of the systems that we get on have lables for Savin and Ricoh.
When you block a person, they can no longer invite you to a private message or post to your profile wall. Replies and comments they make will be collapsed/hidden by default. Finally, you'll never receive email notifications about content they create or likes they designate for your content.
Note: if you proceed, you will no longer be following .