Xerox Phaser 6120 Service Manual & Parts List

Service Manual & Parts List Xerox Phaser 6120;
This manual is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Xerox Phaser 6120 copier.
You can print, zoom or read any diagram, picture or page from this Service Manual. Every chapter on this manual is fully detailed and contain all theĀ  simulation codes, trouble codes, maintenance procedures, reset procedures, diagnose procedures of Xerox Phaser 6120 photocopier. You can find easily everything what do you need.
To see what contain, please read table of contents:

Service Terms
Cautions, Notes, and Warnings
Product Terms
Safety Precautions
Power Source
Disconnecting Power
Electrical Safety
Electrostatic Discharge (ESD) Precautions
Service Safety Summary
General Guidelines
Servicing Electrical Components
Servicing Mechanical Components
Moving the Printer
Safety Specifications
Laser Safety
Symbols Marked on Product
Material Safety Data Sheet
Ozone Release
Product Recycling and Disposal
All Countries
European Union
Domestic/Household Environment
Professional/Business Environment
Regulatory Information (English Only)
United States (FCC Regulations)
Canada (Regulations)
European Union (Declaration of Conformity)
Low Voltage Directive 73/23/EEC as amended
Electromagnetic Compatibility Directive 89/336/EEC as amended

1. PRINT ENGINER GENERAL INFORMATION
System Configuration
Front View
Front View with Options
Rear View with Options
Space Requirements
Product Specifications
Media Specifications
Functional Specifications

2. PRINT ENGINE MAINTENANCE INFORMATION
Consumables/Routine Maintenance Items
Maintenance Procedures
Pick-Up Roller
Cleaning Procedure
Removal Procedure
Laser (PH) Window
Cleaning Procedure
Toner Cartridge (C/M/Y/K)
Removal Procedure
Reinstallation Procedure
Imaging Unit
Replacement Procedure
Transfer Roller
Replacement Procedure
Reassembly Procedures
Transfer Belt
Replacement Procedure
Fuser
Replacement Procedure
Precaution for Reinstalling the Fuser
Firmware Upgrade
Print the Configuration Page
Firmware Upgrade via a TCP/IP Network Connection
Firmware Upgrade via a Parallel Connection
Firmware Upgrade via an AppleTalk Network Connection

3. PRINT ENGINE ADJUSTMENTS/SETTINGS
Adjustments
How to Use the Adjustments Section
Before Troubleshooting: Advance Checks
Precautions for Servicing the Printer
Description of the Control Panel
Control Panel Display
Control Panel Indicators and Keys
Control Panel Indicators and Keys (Continued)
Toner Supply Indicators
Cancel Key
Canceling a Print Job
Continuing a Print Job After an Error Message
Control Panel LCD Messages
Basic Screen
Caution Display
Error Display
Malfunction Screen
Index of Control Panel Messages
Menu Map
Printing the Menu Map
List of Menu Functions
PROOF/PRINT MENUS
Entering the Password
PRINTABLE PAGES MENU
PAPER MENU
INPUT TRAY
TRAY 1
TRAY 2
QUALITY MENU
CONNECTION SETUP
IPX/SPX
USB SETUP
SYSTEM DEFAULT MENU
ENVIRONMENT MENU
Service Menu
Entering the Service Menu
Exiting
Settings/Adjustments in Service Menu Functions

4. PRINT ENGINE TROUBLESHOOTING
Overview
Paper Path Test
Test Notes:
Test Results:
Misfeeds and Paper Jams
Misfeed or Jam Control Panel Display
Misfeed/Jam Clearing Procedure
Misfeed/Jam Definition Table
Paper Path Sensor Location Diagram
Misfeed/Jam Troubleshooting Procedures
Initial Check Items
Paper Jam Tray 1
Paper Jam Transfer Roller
Paper Jam Fuser
Paper Jam Exit
Undefined Jam/Misfeed
Error Codes
Error Code Messages
Error Code Control Panel Display Example
Error Codes and Messages Index
Resetting the Printer:
Error Codes and Messages Troubleshooting Procedures
Fuser Failures:
Power Supply Errors
Image-Quality Problems
Repeating Defects
White Lines, White Bands, Colored Lines, and Colored Bands in the Feed Direction (FD)
White Lines, White Bands, Colored Lines, and Colored Bands in the Scan Direction (CD)
Uneven Density in the Feed Direction
Uneven Density in Scan Direction (CD)
Low Image Density
Gradation Reproduction Failure
Foggy Background
Poor Color Reproduction
Void Areas, White Spots
Colored Spots
Blurred Image
Blank or Black Prints
Incorrect Color Image Registration
Poor Fusing Performance, Offset
Ghosting, Blurred Image
Back Marking
Uneven Pitch

5. PRINT ENGINE SERVICE PARTS DISASSEMBLY
Disassembly/Adjustment Prohibited Items
Paint-Locked Screws
Variable Resistors on the Board
Removal of PWBs
Before Performing Service
Disassembly/Assembly List
Disassembly/Assembly Procedures
Rear Panel
Rear Cover
Left Cover
Right Cover
Tray 1 (Paper Take-Up Cover)
Front Cover
Precautions for Remounting the Front Cover
Control Panel (PWB-OP)
PWB-P (Image Processor Board)
PWB-A (Engine Control Board)
Power Unit (PU)
High Voltage Unit (HV)
Precautions for Reinstallation of the High Voltage Unit
Waste Toner Near Full Detection Board (PWB-C)
Laser (PH) Unit
Precautions for Reinstallation of the Laser (PH) Unit
Paper Take-Up Unit
Notes for Reassembly
Separation Pad
Removal Procedure
Removal Procedure Shortcut
Main Motor (M1)
Power Supply Cooling Fan Motor (M4)
Ventilation Fan Motor (M6)
Fusing Motor (M7)
Developing Motor (M3)
Rack Motor (M2)
Tray 1 Paper Take-up Solenoid (SL1)
Registration Roller Solenoid (SL2)
Precaution for Reinstallation
Pressure/Retraction Solenoid/Cleaning Blade (SL3)
Pressure/Retraction Solenoid /2nd Image Transfer Roller (SL4)
Temperature/Humidity Sensor (HS1)
Notes for Reassembly
Density Sensor (AIDC)
Torque Limiter
Reinstallation Procedure
Hard Drive (Option)

6. PRINT ENGINE PARTS LIST
Using the Parts List
Serial Number Format
The serial number is coded as follows:
Diagrams of Main Parts
P1 External Parts
P2 Top Cover
P3 Top Cover
P4 Main Frame
P5 Left Frame
P6 Right Frame
P7 Right Frame 2
P8 Drive Section
P9 Drive Section
P10 Drive Section
P11 Drive Section
P12 Laser (PH) Section
P13 Transfer Section
P14 Transfer Roller Section
P15 Vertical Transport Section
P16 Fusing Unit
P17 Electrical Components
P18 Paper Take-Up Section
P19 Paper Take-Up Section 2
P20 Paper Take-Up Section 3
P21 Wiring
P22 Wiring
P23 Wiring
P24 Wiring Accessories
P25 Accessories
Miscellaneous Parts, Consumables, Maintenance Parts, and Options

7. PRINT ENGINE THEORY OF OPERATION
This section contains:
Parts of the Printer
Cross Section
Printer Paper Path
Image Creation Process
Operation Sequence
Control Block Diagram
Imaging Section
Toner Cartridge
Toner Cartridge Drive
Drum Cartridge (Imaging Unit) Life Control
New Imaging Unit Detection
Reaching End of Life
Toner Cartridge (TC) Life Control
Imaging Unit (DC)
Imaging Unit Drive
Imaging Unit (DC) Control
Imaging Unit Charge
Charge Corona Unit ON/OFF Control
Laser (PH)
Developing
Drive
Monochrome Printing Process
Color Printing Process
Image Transfer
1st Transfer
2nd Transfer Section
Toner Collecting
Waste Toner Bin Drive Mechanism
Paper Feed Section
Paper Feed Drive
Paper Feed Control
Registration Roller
Registration Roller Drive
Fusing Section
Fuser Drive
Heating Roller Drive Control
Monochrome Ordinary/Low Environment
Color Environment
Paper Exit
Paper Exit Drive
Image Stabilization Control (Density) and Output Process
Flowchart
Fan Airflow
Fan Control
Temperature/ Humidity Sensor

8. OPTIONAL LOWER TRAY UNIT (500-Sheet Feeder)
General Information and Specifications
Option Specifications
Media Specifications
Machine Specifications
Operating Environment
Maintenance
Maintenance Parts
Pick-Up Roller
Service Parts Disassembly
Variable Resistors on Board
Removal of PWBs
Disassembly Index
Lower Feeder Unit
Tray
Lower Feeder Rear Cover
Lower Feeder Paper Pick-Up Unit
Lower Feeder Board (PWB-A PF)
Lower Feeder Paper Pick-Up Solenoid (SL7 PF)
Tray Set Detecting Switch (S4 PF)
Troubleshooting
Jam and Misfeed Messages
Jam and Misfeed Display
Jam Clearing Steps
Sensor layout Diagram
Jam and Misfeed Troubleshooting Procedures
Jam at Tray 2
Theory of Operation
Lower Feeder Unit Drive
Lower Feeder Unit Drive
Conveyance Drive Mechanism
Paper Empty Detection
Tray Set Detection
Lower Feeder Unit Parts List
Using the Parts List
P1 Housing
P2 Paper Take-Up Section
P3 Paper Cassette Section
P4 Wiring
P5 Accessories

9. DUPLEX UNIT
General Information and Specifications
Product Specifications
Media Specifications
Machine Specifications
Operating Environment
Maintenance
Maintenance Parts
Transport Roller
Service Parts Disassembly
Disassembly and Adjustment Notes
Disassembly Index
Duplex Unit
Right Cover
Duplex Board (PWB-A DU)
Duplex Cooling Fan Motor (M10 DU)
Duplex Transport Motor (M8 DU)
Duplex Registration Solenoid (SL6 DU)
Sensor Layout
Jam and Misfeed Troubleshooting
Jam and Misfeed Messages
Jam and Misfeed Display
Jam Clearing Steps:
Jam and Misfeed Troubleshooting Procedures
Misfeed at Duplex Unit Reverse Drive/Storage Section
Misfeed at Duplex Unit Paper Feed Section
Error Code Troubleshooting
Error Code Messages
Verifying an Error Message
Control Panel Status Message Example
Error Code Troubleshooting Procedures
Actions
Theory of Operation
Duplex Unit
Duplex Unit Drive
Switchback Mechanism
Paper Exit Roller Drive Coupling
Switchback Motor Control
Transport and Duplex Paper Take-Up Mechanism
Transport and Duplex Paper Take-Up Operation
Duplex Unit Transport Motor Control
Duplex Unit Loop Correction Control
2-Sided Printing Method
Operations in 2-sided Printing with a Single Sheet of Paper Resident in the System
Two A4 Originals with a Single Sheet of Paper Resident in the System
Operations in 2-Sided Printing with Two Sheets of Paper Resident in the System
2-sided Printing of Two A4 Originals with Two Sheets of Paper Resident in the System
Parts List – Duplex Unit Option
Using the Parts List
P1 Duplex Unit
P2 Duplex Unit
P3 Duplex Unit
P4 Wiring
P5 Accessories

10. WIRING
Control Block Diagram
Wiring Diagram Legend
Overall Wiring Diagram
PWB-A (Engine Control Board)
PWB-P (Image Processor Board)
Image Transfer Section
Fusing, Transport, and Paper Exit Section
Tray and Developing Toner Replenishing Section
Power Supply Section
Duplex/Lower Feed Unit Printer Connections
Lower Feed Board
Duplex Unit Board

A. APPENDIX
Parts Layout Drawing
Main Unit
Lower Feeder Unit (option)
Duplex Unit (Option)
Connector Layout Drawing
Timing Chart
Acronym and Terminology Definitions Table

Number of pages: 366.