We had a new VG-540 printer installed on December 21st. It isnt printing correct. It is now been a month. The tech came out twice. I sent samples to roland two weeks ago. The tech came out for a second time today and printed same things and is going to be sending to roland. That cant figure it out. I need to get this printer working so I can work. Who can i contact to get this returned or exchanged. Hard to get a hold of roland tech support.