NP 6218 Copier SERVICE MANUAL This Service Manual contains the bsic facts and figures about the plain paper copier NP6218, and is compiled to serve as a handy reference for servicing the machine in the field.
The NP6218 is designed to enable fully automated copying work and may be configured with the following accessories:
1. Cassette Feeding Module-B2*
2. Cassette Feeding Module-A2*
3. Control Card IV N
4. ADF-E1
5. Staple Sorter B2/D1
6. MS-B1
7. Remote Diagnostic Device II
This manual is limited to the descriptions of the NP6218, Cassette Feeding Module- B2/Cassette Feeding Module-A2.
* May not be available in some areas but discussed in this manual.
This Service Manual covers the copier only, and consists of the following chapters:
Chapter 1
General Description introduces 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 mechanical 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
Installationintroduces 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.
In addition to the above chapters, this SERVICE MANUAL contains a set of appendixes consisting of a general timing chart and general circuit diagrams. A separate document entitled SERVICE HANDBOOK is also available for troubleshooting problems in the copier. FORMAT: High resolution PDF document!
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