NP 6621 Copier SERVICE MANUAL This Service Manual provides basic facts and figures you will need to service the plain paper copier NP6621 in the field.
The NP6621 is designed to enable automated copying work and may be configured with the following accessory; for servicing information on the sorter, ADF, and control card, see their respective Service Manuals:
1. Cassette Feeding Module-B2
2. Cassette Feeding Module-A2
3. Cassette Feeding Unit-K1
4. Paper Deck Pedestal-K1
5. Control Card IV N
6. ADF-E1
7. RDF-F1
8. Stapler Sorter-D1
9. Sorter 10-B1
10. Remote Diagnostic Device II
This Service Manual contains descriptions on the 1-Cassette Feeding Unit-B1 and the 2-Cassette Feeding
Unit-A2.
Note:
The Cassette Feeding Unit-B2, the Cassette Feeding Unit-A2 the cassette feeding Unit K1, the Paper Deck Pedestal-K1 and Remote Diagnostic Device II may not be available for sale in some areas.
This Service Manual is organized as follows:
CHAPTER 1
“General Introduction,” explains the NP6621’s features, specifications, and step-by-step instructions on how to operate the copier.
CHAPTER 2
“Copying Processes,” shows how the NP6621 generates copies while discussing each of the steps involved.
CHAPTER 3
“Operations and Timing,” explains the NP6621’s mechanical system by function and principles behind its electrical system in relation to timing of each operation.
CHAPTER 4
“Mechanical System,” provides instructions on how to disassemble/assemble and adjust the NP6621.
CHAPTER 5
“Installation,” provides points to note when selecting the site of installation and instructions on how to install the NP6621.
CHAPTER 6
‘Maintenance and Inspection,” gives tables of periodically replaced parts and consumables/durables as well as a scheduled servicing chart.
APPENDIX contains a general timing chart, general circuit diagrams, and PCB diagrams.
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