I placed EPS file into my illustrator cs6 design. I changed some part of EPS after it. I saved as PDF for printing. Now, that eps part behaving weird in my printer's coreldraw x5. Why ?

I placed EPS file into my illustrator cs6 design. I changed some part of EPS after it. I saved as PDF for printing.

Now, that eps part behaving weird in my printer's coreldraw x5.

Why ?

I tried to open ai, eps, pdf different versions in X5. But, only that EPS part is making me crazy. Its been 19 Hours I'm searching for Solution.