2 Printer Overview8265/8290/8365/8390 User Guide 152.2.5 Winder (Front)No Name Function1 Front tensioning system Adjust the tension between the print platform and the winding system.2 Operation panel To control the unwinder winder 100 manually or automatically3 PCB Box Contains the boards to control the UW/W 100.4 Motorized roll unit Supports and winds up the roll media.5 Roll unit bar Supports the roll units.6 Roll unit Supports the roll media.2.2.6 Unwinder (Rear)No Name Function1 Rear tensioning system Adjust the tension between the print platform and the unwinding system.2 Roll unit Supports the roll media.3 Motorized roll unit Supports and unwinds the roll media.4 Roll unit bar Supports the roll units.