.eps format is widely used in the climate community. But I met a problem for quite a while. When I inserted the .eps file generated by grads to MS Word or PowerPoint, the plots look OK on the computer screen. However, when I print that Word or PowerPoint file in a printer, sometimes I got good quality prints, sometime else very bad quality prints. I am quite confused with this.

Maybe it is related to the rotation done in the MS software? Anyone knows what happened and how to solve the problem?