Page: 33Service Guide PM3410Chapter 3 Maintenance & Disassembly3.1.03 Maintenance Precautions1. Do not disassemble the unit if it is operating normally.2. Before starting disassembly and assembly, always power OFF the unit and detach the AC power cord.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 indamaged parts.7. Since screws, collars and other small parts are easily lost, they should be temporarily attached to theoriginal 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 when any of the items listed below occur.Print Quality is darker on one side of the document.Parts / Assemblies are replaced.Printhead (3.2.01)Platen Assembly (3.2.16)Carriage Shaft (3.2.22)Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA BusinessPartner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
