... 6 (optional)PrinterType: Micro Thermal PrinterDot Matrix: Western: 12*24 dot (support zoom) Chinese: 24*24 dot (support zoom)speed: about 60mm/spaper ... Engine (Optional)Model: Honeywell 51802D Code: PDF417,MicroPDF417,MaxiCode,Data Matrix,QR Code,Aztec,Aztec Mesa,Code 49,UCC Composite1D Code ...