The unwinder and rewinder specifically designed for Epson C6500P color label printer can handle rolls up to 220mm (8.66”) media wide and having an outside diameter up to 250mm (10”). Both Unwinder and Rewinder are equipped with a fixed 3” core holder.The printer will be locked over the printer plate.This way the correct unwinding / rewinding operations are guaranteed and units are safely aligned with the printer.An external power supply 100/240VAC - 2.5A at 24V allows an electronic circuit to provide, through the tension arm, the automatic adjustment of the rotation direction and speed.