Manual Organization The Phaser 8400 8500/8550/8560 Color Printer ervice 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 8400 8500/8550/8560 Color Printer ervice 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 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: Troubleshooting discussions cover the operation of Power On Self Test (POST), Service Diagnostics, In addition, this section includes troubleshooting methods for situations where no error indicator is available. Section 5 - Print-Quality Troubleshooting: This section focuses on techniques to correct image quality problems associated with Printer output. Section 6 - Adjustments and Calibrations: This section provides procedures for the adjustment of print engine components. Section 7 - Cleaning and Maintenance: This section provides periodic cleaning procedures for the Printer ection 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 option FRUs, as well as part numbers for orderable parts. Section 10 - Wiring Diagrams: This section contains the plug/jack locations and the wiring diagrams for the print engine. Appendix A - Reference: This section provides an illustration of the printer’s menu structure, a listing of Printer tatus codes, and a list of Service Diagnostics tests.

The Phaser 8400 8500/8550/8560 Color Printer ervice 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 8400 8500/8550/8560 Color Printer ervice 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 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: Troubleshooting discussions cover the operation of Power On Self Test (POST), Service Diagnostics, In addition, this section includes troubleshooting methods for situations where no error indicator is available. Section 5 - Print-Quality Troubleshooting: This section focuses on techniques to correct image quality problems associated with Printer output. Section 6 - Adjustments and Calibrations: This section provides procedures for the adjustment of print engine components. Section 7 - Cleaning and Maintenance: This section provides periodic cleaning procedures for the Printer ection 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 option FRUs, as well as part numbers for orderable parts. Section 10 - Wiring Diagrams: This section contains the plug/jack locations and the wiring diagrams for the print engine. Appendix A - Reference: This section provides an illustration of the printer’s menu structure, a listing of Printer tatus codes, and a list of Service Diagnostics tests.