Jin Gong SR3900C features high-precision print (360dpi), print more perfect with automatic cutting knife, and continuous half cut Jin Gong Yu unique white adjustment, saving supplies to use with automatic fillet that can be processed into labels Rounded connected to the computer to print labels, edit print it easier to adapt to a wide range of label printing width, you can print a variety of supplies Model SR3900C print resolution? 360dpi x 64dot print labels width? 4,6,9,12,18,24,36mm ? PRO label ribbon print speed 15mm / s (± 10%) entered into a computer keyboard cutter automatically cut the number of lines to print 1-4 lines connected to the computer USB Jin Gong label machine series:???? Jin Gong SR3900C, Jin Gong SR530C Kam Palace SR230, import labeling machine and ribbons