CN41,S_AlR_87013533,Standard PS report are not coming Full page A3,A4

Dear Team,

Our client want to print these standard SAP reports on full page of A4 and A3.

But only portion of these are coming on A4 or A3 page. Even user can not read it.

This is first time I am getting requirement to print reports.

I any one can shre his/her experience regarding that or can help me in printing on full page.

Please find attahced scan of print page.

Thanks & Regards,

Sukhveer