02/20006-79DocuPrint N2025/N2825 GP 5.21General Procedures / InformationInitial IssueGP 5.21 Duplex AssemblyPaper TransportationPaper is fed from the Cassette Assembly or the Tray Assembly MBF and transported throughthe printer to the exit along the paper paths shown below when the optional Duplex Assemblyis installed. The Duplex Assembly adds the re-feed path for duplex printing to the printer. Figure1Figure 1 Paper Path With Duplex Assembly InstalledFigure 2 is a cut-away side view of the N2025/N2825 printer that shows the paper paths andthe major components directly related to the paper transportation of the printer with theoptional Duplex Assembly installed.Figure 2 Paper Path ComponentsDrive Power TransmissionThe optional Duplex Assembly has its own motors (Motor Assembly Dup and Motor AssemblyExit) for paper transportation. The drive power generated by the Motor Assembly Dup is trans-mitted to the paper driving rolls in the Duplex Assembly through the drive gears and belt. Thisdrive power is used to transmit the paper through the path toward the Registration Roll afterreceiving the return paper from the Exit Assembly. The drive power generated by the MotorAssembly Exit is transmitted to the paper driving rolls in the Duplex Assembly and Exit Assem-bly. This drive power is used to deliver the paper from the Exit Assembly to the Duplex Assem-bly and discharge it from the Exit Assembly after the completion of side 2 printing.
