Table Of Contents - Xerox Phaser 7700 Service Manual

Contents
General Information
Phaser 7700 Printer overview ..................................................................................1-2
Printer RAM and printer capabilities ................................................................1-4
CRC life counter behavior ................................................................................1-5
Print Engine Control Boards and Power Supplies ............................................1-6
Auxiliary Feeder Control Board .......................................................................1-9
Print Engine Sensors and Switches .................................................................1-10
Auxiliary Feeders Sensors and Switches ........................................................1-12
Print Engine Solenoids, Actuators and Clutches ...........................................1-14
Image Processor Board ...................................................................................1-16
Assemblies of the Print Engine .......................................................................1-17
Front Panel Description .........................................................................................1-21
Rear panel ..............................................................................................................1-23
Specifications .........................................................................................................1-24
Supported paper weights, page sizes and print area .......................................1-27
Diagnostics, Error Codes and Messages
Error messages .......................................................................................................3-31
Troubleshooting Error Codes .................................................................................3-31
System Boot Sequence ....................................................................................3-32
Power On Self Test (POST) ............................................................................3-32
POST Faults ....................................................................................................3-33
Fault Reporting Devices .................................................................................3-33
LED Blink Patterns .........................................................................................3-33
POST Diagnostics Test Descriptions ..............................................................3-34
Service Diagnostics .........................................................................................3-35
Service Diagnostics Test Menu Functions ......................................................3-36
Error Codes and Messages Troubleshooting .........................................................3-47
Voltage Measurements ...........................................................................................3-47
Troubleshooting
Troubleshooting Power Supplies and Interlocks ...................................................3-87
Troubleshooting AC Power ............................................................................3-87
Troubleshooting the Low-voltage Power Supplies .........................................3-88
Troubleshooting the 3.3 VDC and 5 VDC LVPS ...........................................3-88
Service Quick Reference Guide - Table of Contents
1-1
3-31
3-85
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