1. A PDF-exclusive, deflection and channeling method for the direct process handling of each PDF data stream which is en route to a printer, and which PDF data stream may include both PDF image-only, and other-composition PDF, files, said method comprising querying each such PDF data stream to detect therein the presence of a PDF image-only file, in association with, and as a part of, said querying, on detecting such a presence, and with respect to all detected PDF image-only files, deflecting and channeling such files to a full-time dedicated and exclusive, PDF image-only pipeline processing path en route to the printer, and for PDF files in the queried data stream that are other-composition PDF files, performing with respect to PDF data in such other-composition PDF files separate, conventional PDF handling en route to the printer.