Docucentre 750 i 650 i . not only is it a high speed digital network multifunction system that prints up to 75ppm but it also offers an ultra - high scanning speed of up to 200ipm 极高的扫描速度卓越的打印精度docucenter 750 i 650 i它是一套不仅打印速度达到75ppm ，扫描速度更达到200ipm的高速数字网络多功能系统。
