Lorenzo Monti - 2015-09-04

What you ask for is already possible.
Just move %u to the file name.
E.g.
Output path = F:\somedir
File name = %u\file%i

Say Bob prints something, the resulting filename will be:

F:\somedir\Bob\file0001
F:\somedir\Bob\file0002
F:\somedir\Bob\file0003
...