OMG! I went back and forth with MBI for 2 weeks and could not get my Replicator to print. I hesitated printing this out because the guy at MBI said that he won't be responsible if this causes my bot to break. Finally, I said, "heck with it, I'm gonna try this," and... it works! Yay!
The problem is that the delrin plungers will fail sooner or later. This is great. Thanks!