A job programming method includes using a processor to assemble a printable file based on more than two reference pages and print instructions; including printer readable instructions in the printable file to print more than one copy of a reference page; grouping a first set of reference pages into a first group based on a first plurality of print instructions to assemble a first part of the printable file; grouping a second set of reference pages into a second group based on a second plurality of print instructions to assemble a second part of the printable file; including printer readable instructions in the printable file to direct printed pages corresponding to the printer readable instructions to print more than one copy of the reference page to a common stack, and to direct printed pages corresponding to the first and second parts of the printable file to the common stack.