Printing RD-370 printing method: direct thermal resolution: 8 points / mm (203 DPI) printing width: 16-80 mm printing speed: maximum: 152 mm / s Min: 50.8mm/s printing head temperature sensor: thermistor paper presence detection: photosensitive sensor interface: USB Barcode: code128, EAN128, ITF, code39, code93, EAN13, EAN13 + 2, EAN13 + 5, ean8, ean8 + 2, ean8 + 5, Codabar, Postnet, UPC-A, upca + 2, upca + 5, upc-e, upce + 2, upc-e + 5, Cpost, MSI, MSIC, Plessey, itf14, EAN 14 2D: PDF 417 / QR code / data matrix