Changed line items in the PO print

Hi,

I have following requirement,

PO is created and outputted successfully, after that my client changed some line items in the PO and tried to take printout of the same, but in printout he got only changed line items, I know that after changing only changed line items will capture in output type, but my client want all the line items in PO print.

how to do this ?, could you please help me in this regard.

Regards

Latheef