<P> Must be executed before the final production printing can be started . </P> <P> HP incorporates JDF into its proofing products . Even if it's only one step in the total process JDF cuts time from the printing process making printers more efficient because proofing traditional generation and delivery of proofs can take days . </P> <P> HP sends PDF files to a remote proofing . JDF file enables the inclusion of job information (color profiles, job ticket details ...) that is sent to the client . In the future marking up the proof and digital signatures for approval will be implemented . </P>

A jdf file that serves as job ticket includes information like