xxx Phaser 7500 Printer Service Manual
Manual Organization
The Phaser 7500 Service Manual is the primary document used for repairing,
maintaining, and troubleshooting the printer. Use this manual as your primary
resource for understanding the operational characteristics of the printer and all
available options. This manual describes specifications, theory, and the diagnosis
and repair of problems occurring in the print engine and attached options. Also
included are detailed replacement procedures, parts lists, and wiring diagrams.
The Phaser 7500 Service Manual contains these sections:
Introductory, Safety, and Regulatory Information: This section contains
important safety information and regulatory requirements.
Section 1 - General Information: This section contains an overview of the
printer’s operation, configuration, specifications, and consumables.
Section 2 - Theory of Operation: This section contains detailed functional
information on the print engine components.
Section 3 - Error Codes and Messages: This section provides detailed
troubleshooting procedures for error messages and codes generated by resident
diagnostics.
Section 4 - General Troubleshooting: This section contains the operation of
Power On Self Test (POST) and Service Diagnostics. In addition, this section
includes troubleshooting methods for situations where error indicator is not
available.
Section 5 - Print-Quality Troubleshooting: This section focuses on techniques to
correct image quality problems associated with the printer output.
Section 6 - Adjustments and Calibrations: This section provides procedures for
the adjustment of the print engine components.
Section 7 - Cleaning and Maintenance: This section provides periodic cleaning
procedures for the printer.
Section 8 - Service Parts Disassembly: This section contains removal procedures
for spare parts listed in the Parts List. A replacement procedure is included when
necessary.
Section 9 - Parts List: This section contains exploded views of the print engine
and optional Field Replaceable Units (FRUs), as well as part numbers for orderable
parts.
Section 10 - Plug/Jack and Wiring Diagrams: This section contains the plug/jack
locations and the wiring diagrams for the printer.
Appendix A - Reference: This section provides an illustration of the printer’s
Control Panel menu structure, printer firmware update instructions, a list of printer
error chain link codes, and a list of acronyms and abbreviations
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