of self adhesive paper. Laminate See film laminate. Laser Imprintable Ink Ink that will not fade or blister as the sheet on which it is printed is used in a laser printer. M Weight... the desired image on an output device such as a laser printer or image setter. PPF Print Production Format. A file format extension used with a CIP3 workflow. Preflight A check.... This allows operators to check the file against laser proofs for content, type flow and correct trapping. It might also mean a PDF file sent to the customer to view at their site...