METHOD : Thermal Receipt Paper SPEED : Max.220mm/sec WIDTH : 72mm RESOLUTION : 180 DPI / 203 DPI(Optional) DIRECTION : Unidirectional with Friction Feed PAPER SPECIFICATION - TYPE : Thermal Receipt Paper/Linerless(Optional) - WIDTH : 50 mm ~ 82.5 mm - THICKNESS : 0.06 ~ 0.09 mm - ROLL DIAMETER : Max. Ø 80.0 mm - ROLL CORE INNER DIAMETER : 12.5 mm ± 0.5 mm INTERFACE STANDARD : USB+Serial(RS-232C)+Ethernet Built-in What's in the box Printer