Printing method Direct thermal Media width 79.5±0.5mm / φ 80 mm Print width 72mm Column capacity 576 dots/line or 512 dots/line Printing speed 230mm/s 260mm/s Interface USB / USB+Serial / USB+Lan / (Optional: Bluetooth/Wifi) USB+Serial+Lan (Optional: Bluetooth/Wifi) Line spacing 3.75mm (Adjustable by commands) Character size ANK，Font A：1.5×3.0mm（12×24 dots） Font B：1.1×2.1mm（9×17 dots） Chinese,traditional Chinese:3.0×3.0mm（24×24 dots） Barcode Character Extension character sheet PC347（Standard Europe）、Katakana、PC850（Multilingual）、PC860（Portuguese）、PC863（Canadian-French）、PC865（Nordic）、West Europe、Greek、Hebrew、East Europe、Iran、WPC1252、PC866（Cyrillic#2）、PC852（Latin2）、PC858、IranII、Latvian、Arabic、PT151（1251） 1D Barcode UPC-A/UPC-E/JAN13（EAN13）/JAN8（EAN8）/CODE39/ITF/CODABAR/CODE93/CODE128 2D Barcode QR CODE: Lan / USB+Lan QR CODE / PDF417 Input buffer 128 Kbytes: USB+Serial / USB / USB+Bluetooth/USB+WiFi 256 Kbytes: Lan / USB+Lan / USB+Serial+Lan NV Flash 256 Kbytes Power Power adaptor Input: AC 100V/240V, 50～60Hz; Output：DC 24V/2.5A Printer input DC 24V/2.5A Cash drawer DC 24V/1A Physical characteristics Weight 0.87 KG Dimensions 180*145*130mm (D×W×H) Environmental Requirements Work environment Temperature (0～45℃) humidity(10～80%) Storage environment Temperature(-10～60℃) humidity(10～90%) Reliability Auto cutter Partial Cutter life 1.5 million cuts Printer head life 150 KM Software Emulation ESC / POS Driver Windows / Linux / Mac OS / Android