See the demo here:    SPINFLOW DEMO SPINFLOW Description SPINFLOW is the data interface between host Prepress Systems and the SPINJET system. SPINFLOW is a Windows XP Professional based application which is placed between the output of the host systems RIP and the SPINJET system. The SPINJET systems interfaces to most systems on the market today. Features include: Multiple input queues for different systems and user. TIFF and HP RTL native file formats. Input via Hot Folder, Manually selected file, TCP/IP-RAW, TCP/IP-LPD, FTP. Output via TCP/IP-RAW, Windows driver, TCP/IP-LPD, Archive Only. Parallel job receiving, processing and printing, using many HP printers simultaneously. Set-ups different job types: Work & Turn, Single Sided, Work & Tumble, Sheet Work. Sequential printing of each side to HP ensuring print order is correct. Auto centering of the front and back impositions. Auto rotation of jobs to save paper (autofit/best fit option). “n” Jobs saved for fast reprint. Ink Reduction. Centering of impositions onto paper. Onscreen thumbnail views for fast and accurate job recognition. Transparent scalable preview for double-sided adjustment view and correction. Web-based user server access.