There are Flexi without RIP (LETTER, SIGN, EXPERT), and Flexi with RIP (FlexiSIGN-PRO). If you have one without RIP, you need to upgrade to one with RIP (FlexiSIGN-PRO or add the PlusRIP). As far as I think, you will not have the S30670-driver available in 10.5, you will need to upgrade to 11...