Having been a systems person responsible for large-scale printing since about 1980, I've been into a lot of the technology involved in printing — everything from page layout programs to typography to PostScript to printer nuances to print servers. Here I share information which may be of particular value, possibly not covered in any other available source (or, at least, not readily findable).
Don't print PDFs — annotate them
Click here to see my information on Macintosh printing, in the Things Apple section.