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NP 6045 Copier SERVICE MANUAL

This Service Manual provides basic facts and figures needed to service the plain paper copier NP6045 in the field. The NP6045 is designed to enable automated copying work and may be configured with the following system components:
1. Stapler Sorter-E2, Stapler Sorter-G1, Sorter-E1, Sorter-G1
2. RDF-H1
For descriptions on the system components, see their respective service manuals.

This Service Manual covers the copier only, and consists of the following chapters:
Chapter 1
General Descriptionintroduces the copier's features and specifications, shows how to operate the copier, and explains how copies are made.
Chapter 2
Basic Operationprovides outlines of the copier's various operational workings.
Chapter 3
Exposure Systemdiscusses the principles of operation used for the copier's lens drive unit and scanner drive unit. It also explains the timing at which these drive units are operated, and shows how they may be
disassembled/assembled and adjusted.
Chapter 4
Image Formation Systemdiscusses the principles of how images are formed. It also explains the timing at which the various units involved in image formation are operated, and shows how they may be disassembled/assembled and adjusted.
Chapter 5
Pick-Up/Feeding Systemexplains the principles used from when copy paper is picked up to when a copy is delivered in view of the functions of electrical and mechanical units and in relation to their timing of operation.
It also shows how these units may be disassembled/assembled and adjusted.
Chapter 6
Fixing Systemexplains the principles used to fuse toner images to transfer media in view of the functions of electrical and mechanical units and in relation to their timing of operation. It also shows how these units
may be disassembled/assembled and adjusted.
Chapter 7
Externals/Auxiliary Mechanismsshows the copier's external parts, and explains the principles used for the copier's various control mechanisms in view of the functions of electrical and mechanical units and in relation to their timing of operation. It also shows how these units may be disassembled/assembled and adjusted.
Chapter 8
Installation introduces requirements for the site of installation, and shows how the copier may be installed using step-by-step instructions.
Chapter 9
Maintenance and Servicingprovides tables of periodically replaced parts and consumables/durables and scheduled servicing charts.
Chapter 10
Troubleshootingprovides tables of maintenance/inspection, standards/adjustments, and problem identification (image fault/malfunction).
Appendix contains a general timing chart and general circuit diagrams.

Each chapter contains sections explaining the purpose of specific functions and the
relationship between electrical and mechanical systems with reference to the
timing of operation.
In the diagrams, represents the path of mechanical drive—where a signal name accompanies the symbol , the arrow indicates the direction of the electric signal.

All service persons are expected to have a good understanding of the contents of this Service Manual and all relevant Service Informationbulletins and be able to identify and isolate faults in the machine.

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