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Phaser 7700 Color Laser Printer Service Manual
General Information
1-1
Phaser 7700 Printer Overview
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1-2
Printer RAM and Printer Capabilities
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1-4
CRC Life Counter Behavior
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1-5
Engine Control Interface and Power Supply Boards
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1-6
Power Supplies
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1-7
Engine Control and Image Processor Boards
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1-8
Auxiliary Feeder Control Board
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1-9
Print Engine Sensors and Switches
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1-10
Print Engine Sensors and Switches (cont’d.)
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1-11
Auxiliary Feeder Sensors and Switches
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1-12
Auxiliary Feeder Actuators and Clutches
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1-13
Print Engine Solenoids, Actuators, and Clutches
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1-14
Print Engine and Auxiliary Feeder Interlocks and Sensors
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1-15
Image Processor Board
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1-16
Assemblies of the Print Engine
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1-17
Assemblies of the Print Engine (cont’d.)
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1-18
Assemblies of the Print Engine (cont’d.)
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1-19
Auxiliary Feeder Assemblies
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1-20
Front Panel Description
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1-21
LED indicators
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1-21
Front Panel Shortcuts
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1-22
Rear Panel
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1-23
Connectors
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1-23
Printer Specifications 1-24
Physical Dimensions and Clearances
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1-24
Supported Paper Weights, Page Sizes and Print Area
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1-27
Diagnostics, Error Codes and Messages
2-31
Error Messages 2-31
Troubleshooting Error Codes 2-31
Chain / Link
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2-31
Where do they come from?
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2-31
Why are they here?
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2-31
System Boot Sequence
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2-32
Power On Self Test (POST)
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2-32
POST Faults
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2-33
Fault Reporting Devices
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2-33
LED Blink Patterns
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2-33
POST Diagnostics Test Descriptions
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2-34
Service Diagnostics
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2-35