FT420 Label Printer has two printing methods : Direct Thermal and Thermal Transfer ! FT420 Label Printer Printer ModelFT420Resolution203 DPIPrinting MethodDirect Thermal / Thermal TransferCPU32 BITSensorReflective/ See-throughPrinting Speed50.8 mm / ... Datamatrix Code, (QR Code Available), Data MatrixInterfaceParallel Port, USB, Serial PortTransmission SettingBaud Rate 9600, XON/XOFF, RTS/CTSControl ...