Xerox 7345 Workcenter printing A3 instead of A4

Hi,

I am printing a pdf output from Oracle ( Unix / AventX) with a style made for A4 (66*80 or 80*66) with orientation Potrait.

But print is coming on A3 paper. If we keep A4 paper then the ouput is sliced.

Any idea ?

Regards,

Subir