output trigger in invoice

Hello,

The problem i am facing is when invoice was created initially print output was not triggered automatically. This was due to user exit in the system. This porblem is rectified,

There are some 1000 faulty invoices where print output was not triggered automatically inspite of output condition record.If the invoices are accessed through VF02 it will trigger (since intial probelm is rectified) but since the no. of invoices is more it is not possible access all invoices through VF02.

Please suggest how to trigger the output in all the invoices again.

Thanks in advance,

Kiran