A print job is a unit of work to be run on a printer and can consist of
printing one or more files. The system assigns a unique job number to each job as it is received.
HP HowTo Guide: Networking printers with print servers Print servers provide the benefits of server-attached printing but give you the flexibility to place your printers anywhere in your environment. Print servers mean your printers aren't tethered to a specific server, nor do you need to invest in (or maintain) a file server specifically to manage printing.