... /sec Interface Serial+USB+LAN paper out from front Features:1.Loading paper easy, waterproof, oil proof, dustproof2.Support GB18030 ... and error alarm5.Support black mark orientation, over type function6.Compatible with EPSON ESC/POS and STAR, support Linux, Window 7 system7 ... supply: DC 24V/2.5A Dimension/Weight: 190×140×137mm/1.29kgs Lifetime Reliability 150km thermal printer paper out from front