Printing speed:300mm/sec Paper out method: front Support: USB+RS232+Lan Original imported mechanism ... , waterproof, oil proof, dustproof2.Printing image and characters with high speed, the best printing quality and reliable performance3 ... 7.Support black mark orientation, overtype function8.Compatible with EPSON ESC/POS and STAR9.Support 256K bytes NV ... printer,300mm/sec, paper is out from front panel