When IPLOT or InterPlot Organizer printing OLE embedded objects in a design file the quality of the object is poor.
Open C:\Program Files\Common Files\InterPlot\IPLOT\bin\iplotdrvm.plt with notepad. The following record controls the quality of OLE embedded objects.The value is expressed in dots per inch (dpi). Lower values reduce quality and reduce time required to plot. Higher values improve quality and increases time required to plot.