Stopping a printing job, take up another high priority job and then go on with the first job ...

[mylbco]

I am using CUPS (Redhat Enterprise 4.2)
I have a problem, every morning the invoices are printed, this is taking more than 2 hours on our copier. But when somebody wants to print something small (eg) an small report, he/she has to wait until all 2000 documents are printed. Is it possible to interupt the first job and just print the 2 or 3 pages and then take on again the rest of the first job ?

I am using IPP for the moment ...

Thanx