I have a valuejet, and just got my first roll of 3651 (gloss)this week.
Prints were coming out horrible, which is a first for anything I've shoved down the throat of this ValueJet.
I went to oracal's website, download new profiles, imported, ALL FIXED.
Perfect prints again.
I use flexisign - which came preloaded with some 3651 profiles, these are what was creating the problem ( deleted them all, so I won't accidently "choose" one of them again.