xiv Phaser 3250 Laser Printer Service Manual
Manual Organization
The Phaser 3250 Laser Printer 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 3250 Laser Printer 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, and a list
of acronyms and abbreviations.