Dear Sir. I have a roland VS 640 Print & Cut and the head fixed to it id DX 5 now that the head needs an urgent replacement could you guide me with 1. DX 7 print head fits in VS 640 2, Difference between DX5 and DX 7 3. Roland company claims that they have certain patents in regard with the print head despite the manufacturer is Epson still they have the special "Gold Plating" and i am bound to buy from them please explain. Thanks & Regards Syed Abrar Hussaini info@interino.in +91-40-9246276786

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