OKIDATA ML380, Руководство по обслуживанию

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Page: 33
Service Guide ML380
Chapter 3 Maintenance & Disassembly
3.1.03 Maintenance Precautions
1. Do not disassemble the unit if it is operating normally.
2. Before starting disassembly and assembly, always turn the AC power switch OFF and pull out the AC
plug.
3. Detach the interface cable, if installed.
4. Do not remove parts unnecessarily. Try to keep disassembly to a minimum.
5. Use the recommended maintenance tools.
6. When disassembling, follow the listed sequence. Failure to follow the correct sequence may result in
damaged parts.
7. Since screws, collars and other small parts are easily lost, they should be temporarily attached to the
original positions.
8. When handling circuit boards use extreme care. Integrated circuits (microprocessors, ROM, and RAM)
can be destroyed by static electricity.
9. Do not place printed circuit boards directly on conductive surfaces.
10. Follow the recommended procedures when replacing assemblies and units.
11. Perform the printhead gap adjustment procedure when any of the following occur.
Refer to Section
3.3 of this Service Handbook.
Print Quality is darker on one side of the document.
Parts are replaced.
Printhead (3.2.02)
Space Rack (3.2.04)
Carriage Frame (3.2.13)
12. Perform the space belt tension adjustment procedure when the following parts are installed.
Refer to Section 3.3 of this Service Handbook.
Space Belt (3.2.06)
Space Motor Assembly (3.2.22)
Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business
Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)