Print a report in a fixed size

[farid]

Hi, i'm beggining with FMpro and need to print a report (invoice) with fixed header position (it was solved) limited body iterations (almost 15 rows) and must have fixed footer position for subtotal, vat and total. (22 cms from top)

The point is, how can set the report layout to acomplish this, because it prints in pre-designed forms and every number must fit its own cell.

Thanks in advance,