PDF Preview in smartform output in qm02 t-code

Hello,

I tried to print a smartform from qm02 transaction. After the print preview of smartform in QM02 in the menu GO TO -> PDF preview after clicking it chinese characters are coming as junk characters in pdf preview.

Here i selected form languge as 'EN'

Kindly let me know how to correct it.

Regards

Srinivas