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Canon iR2270, iR2870, iR3570, iR4570, Service Manual

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Canon iR2270, iR2870, iR3570, iR4570, Service Manual
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Service Manual Canon iR2270, iR2870, iR3570, iR4570;
This manual, Canon iR2270, iR2870, iR3570, iR4570, is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Canon iR2270, iR2870, iR3570, iR4570 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 the simulation codes, trouble codes, maintenance procedures, reset procedures, diagnose procedures of Canon iR2270, iR2870, iR3570, iR4570 photocopier. You can find easily everything what do you need.
To see what contain, please read table of contents:

Chapter 1: INTRODUCTION
1.1 System Construction
1.1.1 Overview of the System with a Delivery Accessory
1.1.2 Delivery Accessory System Configuration 1
1.1.3 Delivery Accessory System Configuration 2
1.1.4 Delivery Accessory System Configuration 3
1.1.5 Pickup/Original Handling Accessories System Configuration
1.1.6 Reader Heater System Configuration
1.1.7 Cassette Heater System Configuration 1
1.1.8 Cassette Heater System Configuration 2
1.1.9 Side Deck Heater System Configuration
1.1.10 Printing/Transmitting Accessories System Configuration
1.1.11 List of Print Transmission Optional Functions
1.2 Product Specifications
1.2.1 Names of Parts
1.2.1.1 Names of Parts
1.2.1.2 Cross Section
1.2.2 Using the Machine
1.2.2.1 Turning On the Power Switch
1.2.2.2 When Turning Off the Main Power Switch
1.2.2.3 Control Panel
1.2.3 User Mode Items
1.2.3.1 Common Settings
1.2.3.2 Setting the Time
1.2.3.3 Adjustments and Cleaning
1.2.3.4 Report Output
1.2.3.5 System Control Settings
1.2.3.6 Copy Settings
1.2.3.7 Transmission/Reception Settings
1.2.3.8 Box Settings
1.2.3.9 Printer Settings
1.2.3.10 Address Book Settings
1.2.4 Maintenance by the User
1.2.4.1 Cleaning
1.2.4.2 Inspection
1.2.5 Safety
1.2.5.1 Safety of the Laser Light
1.2.5.2 CDRH Regulations
1.2.5.3 Handling the Laser Unit
1.2.5.4 Safety of Toner
1.2.6 Product Specifications
1.2.6.1 Product Specifications
1.2.7 Function List
1.2.7.1 Printing Speed
1.2.7.2 Printing Speed
1.2.7.3 Types of Paper

Chapter 2: INSTALLATION
2.1 Making Pre-Checks
2.1.1Selecting the Site of Installation
2.1.2Before Starting the Work (230V)
2.2 Unpacking and Installation
2.2.1Unpacking and Removing the Packaging Materials
2.2.2Installing the Toner Bottle
2.2.3Installing the Drum Unit
2.2.4Securing the Copier Main Unit
2.2.5Connecting the Cable
2.2.6Stirring Toner
2.2.7Setting the Cassettes
2.2.8APVC Correction of the Drum
2.2.9Adjusting the Image Position
2.2.10Attaching Other Parts
2.2.11If Not Connected to a Network
2.3 Checking the Connection to the Network
2.3.1Overview
2.3.2Using the PING Function
2.3.3Making a Check Using a Remote Host Address
2.4 Troubleshooting the Network
2.4.1Overview
2.4.2Making a Check Using a Loopback Address
2.4.3Making a Check Using a Local Host Address
2.5 Checking the Images/Operations
2.5.1Checking the Image Quality and Operation
2.6 Installing the Card Reader
2.6.1Points to Note
2.6.2Checking the Contents
2.6.3Installation Procedure
2.6.4Installation in a NetSpot Accountant (NSA) Environment
2.7 Installing the NE Controller
2.7.1Installing the NE Controller-A1

Chapter 3: BASIC OPERATION
3.1 Construction
3.1.1Functional Construction
3.1.2Major PCB Wiring diagram
3.2 Basic Sequence
3.2.1Basic Sequence of Operation at Power-On

Chapter 4: MAIN CONTROLLER
4.1 Construction
4.1.1Construction and Mechanisms
4.2 Construction of the Electrical Circuitry
4.2.1Main Controller PCB
4.2.2HDD
4.3 Start-Up Sequence
4.3.1Overview
4.3.2Start-Up Sequence
4.4 Shut-Down Sequence
4.4.1Overview
4.4.2Flow of Operation
4.5 Image Processing
4.5.1Overview of the Image Flow
4.5.2Construction of the Image Processing Module
4.5.3Reader Unit Input Image Processing
4.5.4Compressio/ Extesion/ Editing Block
4.5.5Printer unit Output Image Processing
4.6 Flow of Image Data
4.6.1Flow of Image Data According to Copy Functions
4.6.2Flow of Image Data for the Box Function
4.6.3Flow of Image Data for the SEND Function
4.6.4Flow of Image Data for the Fax Transmission
4.6.5Flow of Image Data for the Fax Reception Function
4.6.6Flow of Image Data for the PDL Function
4.7 Parts Replacement Procedure
4.7.1 Main Controller PCB
4.7.1.1 Removing the Rear Cover
4.7.1.2 Removing the Main Controller PCB
4.7.2 SDRAM
4.7.2.1 Removing the Face Cover
4.7.2.2 Removing the SDRAM
4.7.3 Boot ROM
4.7.3.1 Removing the Face Cover
4.7.3.2 Removing the Boot ROM
4.7.4 HDD
4.7.4.1 Removing the Face Cover
4.7.4.2 Removing the Counter PCB
4.7.4.3 Removing the HDD

Chapter 5: ORIGINAL EXPOSURE SYSTEM
5.1 Construction
5.1.1Specifications, Control Mechanisms, and Functions
5.1.2Major Components
5.1.3Construction of the Control System
5.1.4Reader Controller PCB
5.2 Basic Sequence
5.2.1Basic Sequence of Operation at Power-On
5.2.2Basic Sequence of Operation in Response to a Press on the Start Key (book mode; 1 original)
5.2.3Basic Sequence of Operation in Response to a Press on the Start Key (ADF mode; 1 original )
5.3 Various Control
5.3.1 Controlling the Scanner Drive System
5.3.1.1 Outline
5.3.1.2 Controlling the Reader Motor
5.3.2 Contact Image Sensor (CIS)
5.3.2.1 Outline
5.3.2.2 Analog Control Inside the Contact Image Sensor
5.3.3 Enlargement/Reduction
5.3.3.1 Changing the Magnification in Main Scanning Direction
5.3.3.2 Varying the Magnification in Sub Scanning Direction
5.3.4 Detecting the Size of Originals
5.3.4.1 Outline
5.3.4.2 Outline of Size Identification
5.3.5 Dirt Sensor Control
5.3.5.1 Outline
5.3.6 Image Processing
5.3.6.1 Outline
5.3.6.2 CCD Drive
5.3.6.3 Gain Correction and Offset Correction of the CCD Output
5.3.6.4 A/D Conversion of the CCD Output
5.3.6.5 Shading Correction (outline)
5.3.6.6 Shading Adjustment
5.3.6.7 Shading Correction
5.4 Parts Replacement Procedure
5.4.1 Copyboard glass
5.4.1.1 Removing the Copyboard Glass
5.4.1.2 Removing the ADF Reading Glass
5.4.2 Reader Controller PCB
5.4.2.1 Before Replacing the Reader Controller PCB
5.4.2.2 Removing the Reader Rear Cover
5.4.2.3 Removing the rear cover of the machine
5.4.2.4 Removing the flexible cable cover
5.4.2.5 Removing the Copyboard Glass
5.4.2.6 Removing the Reader Controller PCB
5.4.2.7 After Replacing the Reader Controller PCB or After Initializing the RAM
5.4.3 Scanner Motor
5.4.3.1 Removing the Reader Rear Cover
5.4.3.2 Removing the Scanner Motor
5.4.4 Contact sensor
5.4.4.1 Removing the Reader Front Cover
5.4.4.2 Removing the Reader Rear Cover
5.4.4.3 Removing the Copyboard Glass
5.4.4.4 Removing the Contact Image Sensor (CIS)
5.4.4.5 After Replacement of the CIS
5.4.5 Copyboard Cover Open/Close Sensor
5.4.5.1 Removing the Reader Rear Cover
5.4.5.2 Removing the Copyboard Cover Open/Closed Sensor (front/rear)
5.4.6 Contact Sensor HP Sensor
5.4.6.1 Removing the Copyboard Glass
5.4.6.2 Removing the ADF Reading Glass
5.4.6.3 Removing the Contract Sensor Home Position Sensor
5.4.7 Original Size Sensor
5.4.7.1 Removing the Reader Rear Cover
5.4.7.2 Removing the Copyboard Glass
5.4.7.3 Removing the Original Size Sensor
5.4.8 Reader Heater (option)
5.4.8.1 Removing the Copyboard Glass
5.4.8.2 Removing the Reader Heater (right)
5.4.8.3 Removing the ADF Reading Glass
5.4.8.4 Removing the Reader Heater (left)

Chapter 6: LASER EXPOSURE
6.1 Construction
6.1.1Specifications, Control Mechanism, and Functions
6.1.2Major Components
6.1.3Construction of the Control System
6.2 Basic Sequence
6.2.1Basic Sequence
6.3 Various Controls
6.3.1 Controlling the Laser Activation Timing
6.3.1.1 Turning On and off the Laser Light
6.3.1.2 Main Scanning Synchronous Control
6.3.2 Controlling the Intensity of Laser Light
6.3.2.1 APC Control
6.3.3 Controlling the Laser Scanner Motor
6.3.3.1 Controlling the Laser Scanner Motor
6.3.4 Controlling the Laser Shutter
6.3.4.1 Controlling the Laser Shutter
6.4 Parts Replacement Procedure
6.4.1 Laser Scanner Unit
6.4.1.1 Removing the Front Cover Unit
6.4.1.2 Removing the Left Cover
6.4.1.3 Removing the Laser Unit

Chapter 7: IMAGE FORMATION
7.1 Construction
7.1.1Specifications of the Image Formation System
7.1.2Major Components of the Image Formation System
7.2 Image Formation Process
7.2.1Image Formation Process (outline)
7.2.2Image Formation Process (image formation)
7.3 Basic Sequence
7.3.1Sequence of Operation (initial rotation)
7.3.2Sequence of Operation (initial rotation)
7.3.3Sequence of Operation (copying)
7.3.4Sequence of Operation (copying)
7.3.5Sequence of Operation (last rotation)
7.3.6Sequence of Operation (last rotation)
7.4 Image Stabilization Control
7.4.1Overview
7.4.2APVC Control
7.4.3ATVC Control
7.5 Drum Unit
7.5.1 Charging Mechanism
7.5.1.1 Controlling the Primary Charging Bias
7.5.1.2 Primary Charging Roller Cleaning Mechanism
7.6 Drum Cleaner Unit
7.6.1Photosensitive Drum Cleaning
7.7 Developing Unit
7.7.1Controlling the Developing Bias
7.8 Toner Container
7.8.1Overview
7.8.2Route of Toner Supply
7.8.3Controlling the Drive of the Toner Cartridge
7.8.4Toner Supply Control
7.8.5Recovery Sequence
7.8.6Toner Level Detection
7.9 Transfer Unit
7.9.1 Outline of the Transfer Unit
7.9.1.1 Outline
7.9.2 Controlling the Transfer Bias
7.9.2.1 Transfer Roller Bias Control
7.9.3 Cleaning
7.9.3.1 Transfer Roller Cleaning Mechanism
7.9.4 Separation Mechanism
7.9.4.1 Controlling the Static Eliminator Bias
7.10 Transfer Mechanism
7.10.1 Transfer Guide Bias
7.10.1.1 Transfer Guide Bias Control
7.11 Photosensitive Drum Cleaning
7.11.1Outline
7.11.2Collection of Waste Toner
7.11.3Checking the Waste Toner Box
7.12 Parts Replacement Procedure
7.12.1 Pre-Exposure Lamp
7.12.1.1 Removing the Front Cover Unit
7.12.1.2 Removing the Waste Toner Case
7.12.1.3 Removing the Toner Cartridge
7.12.1.4 Removing the Drum Unit
7.12.1.5 Removing the Developing Assembly
7.12.1.6 Removing the Upper Tray
7.12.1.7 Removing the Toner Cartridge Cover
7.12.1.8 Removing the Pre-Exposure Lamp
7.12.2 Drum Unit
7.12.2.1 Removing the Front Cover Unit
7.12.2.2 Removing the Waste Toner Case
7.12.2.3 Removing the Drum Unit
7.12.3 Hopper Assembly
7.12.3.1 Removing the Front Cover Unit
7.12.3.2 Removing the Waste Toner Case
7.12.3.3 Removing the Toner Cartridge
7.12.3.4 Removing the Drum Unit
7.12.3.5 Removing the Developing Assembly
7.12.3.6 Removing the Upper Tray
7.12.3.7 Removing the Toner Cartridge Cover
7.12.3.8 Removing the Pre-Exposure Lamp
7.12.3.9 Removing the Left Cover
7.12.3.10 Removing the Laser Unit
7.12.3.11 Removing the Hopper Assembly
7.12.4 Sub Hopper
7.12.4.1 Removing the Front Cover Unit
7.12.4.2 Removing the Waste Toner Case
7.12.4.3 Removing the Toner Cartridge
7.12.4.4 Removing the Drum Unit
7.12.4.5 Removing the Developing Assembly
7.12.4.6 Removing the Upper Tray
7.12.4.7 Removing the Toner Cartridge Cover
7.12.4.8 Removing the Pre-Exposure Lamp
7.12.4.9 Removing the Left Cover
7.12.4.10 Removing the Laser Unit
7.12.4.11 Removing the Hopper Assembly
7.12.4.12 Removing the Toner Feedscrew Motor
7.12.4.13 Removing the Sub Hopper
7.12.5 Developing Assembly
7.12.5.1 Removing the Front Cover Unit
7.12.5.2 Removing the Waste Toner Case
7.12.5.3 Removing the Developing Assembly
7.12.6 Developing Cylinder
7.12.6.1 Removing the Developing Cylinder
7.12.7 Transfer Charging Roller
7.12.7.1 Removing the Transfer Roller
7.12.8 Waste Toner Box
7.12.8.1 Removing the Front Cover Unit
7.12.8.2 Removing the Waste Toner Case
7.12.9 Toner Level Sensor
7.12.9.1 Removing the Front Cover Unit
7.12.9.2 Removing the Waste Toner Case
7.12.9.3 Removing the Toner Cartridge
7.12.9.4 Removing the Drum Unit
7.12.9.5 Removing the Developing Assembly
7.12.9.6 Removing the Upper Tray
7.12.9.7 Removing the Toner Cartridge Cover
7.12.9.8 Removing the Pre-Exposure Lamp
7.12.9.9 Removing the Left Cover
7.12.9.10 Removing the Laser Unit
7.12.9.11 Removing the Hopper Assembly
7.12.9.12 Removing the Toner Level Sensor
7.12.10 Toner Feedscrew Motor
7.12.10.1 Removing the Front Cover Unit
7.12.10.2 Removing the Waste Toner Case
7.12.10.3 Removing the Toner Cartridge
7.12.10.4 Removing the Drum Unit
7.12.10.5 Removing the Developing Assembly
7.12.10.6 Removing the Upper Tray
7.12.10.7 Removing the Toner Cartridge Cover
7.12.10.8 Removing the Pre-Exposure Lamp
7.12.10.9 Removing the Left Cover
7.12.10.10 Removing the Laser Unit
7.12.10.11 Removing the Hopper Assembly
7.12.10.12 Removing the Toner Feedscrew Motor
7.12.11 Static Charge Eliminator
7.12.11.1 Removing the Static Eliminator

Chapter 8: PICKUP/FEEDING SYSTEM
8.1 Construction
8.1.1Specifications, Controls, and Functions
8.1.2Division into Blocks
8.1.3Division into Blocks
8.1.4Arrangement of Rollers
8.1.5Arrangement of Rollers
8.1.6Diagram of Paper Paths (printer on its own)
8.1.7Diagram of Paper Paths (w/ copy tray )
8.1.8Diagram of Paper Paths (w/ 3 Way Unit-A1 /copy tray)
8.1.9Diagram of Paper Paths (w/ Finisher-S1/copy tray)
8.1.10Diagram of Paper Paths (w/ Finisher-Q3/Saddle Finisher-Q4)
8.1.11Arrangement of Sensors
8.1.12Arrangement of Sensors
8.1.13Route of Drive
8.1.14Route of Drive
8.2 Basic Sequence
8.2.1Basic Sequence
8.2.2Increase in Speed
8.2.3Increase in Speed
8.3 Detecting Jams
8.3.1 Delivery Jams
8.3.1.1 Delay Jam Outside the Cassette Pickup Assembly
8.3.1.2 Delay Jam in the Cassette Pickup Assembly
8.3.2 Stationary Jams
8.3.2.1 Common Stationary Jam
8.3.2.2 Stationary Jam at Power-On
8.3.3 Other Jams
8.3.3.1 Door Open Jam
8.4 Cassette Pick-Up Unit
8.4.1Overview
8.4.2Basic Sequence
8.4.3Identifying the Paper Size
8.4.4Setting Up the Universal Cassette
8.4.5Paper Level Sensor
8.5 Manual Feed Pickup Unit
8.5.1Overview
8.5.2Basic Sequence of Operation
8.5.3Identifying the Paper Size
8.5.4Paper Retaining Mechanism
8.6 Registration Unit
8.6.1Overview
8.6.2Checking Horizontal Registration
8.7 Duplex Feeding Unit
8.7.1Overview
8.7.2Overview
8.7.3Sequence of Image Formation
8.7.4Sequence of Image Formation
8.7.5Flow of Paper (w/o/ delivery option)
8.7.6Flow of Paper (w/ delivery option)
8.7.7Flow of Paper
8.8 Parts Replacement Procedure
8.8.1 Pick-up Unit 1
8.8.1.1 Removing the Right Cover (rear)
8.8.1.2 Removing the Right Door
8.8.1.3 Removing the Right Door
8.8.1.4 Removing the Right Cover (lower front)
8.8.1.5 Removing the Pickup Assembly 1
8.8.2 Pick-up Unit 2
8.8.2.1 Removing the Right Cover (rear)
8.8.2.2 Removing the Right Cover (lower front)
8.8.2.3 Removing the Pickup Assembly 2
8.8.3 Pickup Roller
8.8.3.1 Removing the Pickup Roller/Feed Roller/Separation Roller
8.8.4 Sensor Mount
8.8.4.1 Removing the Right Cover (rear)
8.8.4.2 Removing the Right Door
8.8.4.3 Removing the Right Door
8.8.4.4 Removing the Right Cover (lower front)
8.8.4.5 Removing the Pickup Assembly 1
8.8.4.6 Removing the Pickup Assembly 2
8.8.4.7 Removing the Sensor Mounting Plate
8.8.4.8 Mounting the Sensor Mounting Plate
8.8.5 Cassette Pick-up Motor 1
8.8.5.1 Removing the Rear Cover
8.8.5.2 Removing the Right Cover (rear)
8.8.5.3 Removing the Pickup Motor Base
8.8.5.4 Removing the Cassette Pickup Motor 1
8.8.6 Cassette Pick-up Motor 2
8.8.6.1 Removing the Rear Cover
8.8.6.2 Removing the Right Cover (rear)
8.8.6.3 Removing the Pickup Motor Base
8.8.6.4 Removing the Cassette Pickup Motor 2
8.8.7 Cassette Size Sensor
8.8.7.1 Removing the Right Cover (rear)
8.8.7.2 Removing the Right Door
8.8.7.3 Removing the Right Door
8.8.7.4 Removing the Right Cover (lower front)
8.8.7.5 Removing the Pickup Assembly 2
8.8.7.6 Removing the Pickup Assembly 1
8.8.7.7 Removing the Cassette Size Sensor
8.8.8 Cassette Retry Paper Sensor
8.8.8.1 Removing the Right Cover (rear)
8.8.8.2 Removing the Right Door
8.8.8.3 Removing the Right Door
8.8.8.4 Removing the Right Cover (lower front)
8.8.8.5 Removing the Pickup Assembly 1
8.8.8.6 Removing the Pickup Assembly 2
8.8.8.7 Removing the Sensor Mounting Plate
8.8.8.8 Removing the Cassette Retry Paper Sensor
8.8.9 Cassette Paper Sensor
8.8.9.1 Removing the Right Cover (rear)
8.8.9.2 Removing the Right Door
8.8.9.3 Removing the Right Door
8.8.9.4 Removing the Right Cover (lower front)
8.8.9.5 Removing the Pickup Assembly 1
8.8.9.6 Removing the Pickup Assembly 2
8.8.9.7 Removing the Sensor Mounting Plate
8.8.9.8 Removing the Cassette Paper Sensor
8.8.10 Cassette Paper Level Sensor (A/B)
8.8.10.1 Removing the Right Cover (rear)
8.8.10.2 Removing the Right Door
8.8.10.3 Removing the Right Door
8.8.10.4 Removing the Right Cover (lower front)
8.8.10.5 Removing the Pickup Assembly 1
8.8.10.6 Removing the Pickup Assembly 2
8.8.10.7 Removing the Sensor Mounting Plate
8.8.10.8 Removing the Cassette Paper Level Sensor (A/B)
8.8.11 Slide Resistor
8.8.11.1 Removing the Right Cover (rear)
8.8.11.2 Removing the Right Door
8.8.11.3 Removing the Right Door
8.8.11.4 Removing the Manual Feed Unit
8.8.11.5 Removing the Manual Tray Unit
8.8.11.6 Removing the Slide Resistor
8.8.12 Cassette Pickup Solenoid
8.8.12.1 Removing the Right Cover (rear)
8.8.12.2 Removing the Right Door
8.8.12.3 Removing the Right Door
8.8.12.4 Removing the Right Cover (lower front)
8.8.12.5 Removing the Pickup Assembly 1
8.8.12.6 Removing the Pickup Assembly 2
8.8.12.7 Removing the Cassette Pickup Solenoid
8.8.13 Cassette Size Sensor Relay PCB
8.8.13.1 Removing the Right Cover (rear)
8.8.13.2 Removing the Right Door
8.8.13.3 Removing the Right Door
8.8.13.4 Removing the Right Cover (lower front)
8.8.13.5 Removing the Pickup Assembly 1
8.8.13.6 Removing the Pickup Assembly 2
8.8.13.7 Removing the Cassette Size Sensor Relay PCB
8.8.14 Manual Tray Assembly
8.8.14.1 Removing the Right Cover (rear)
8.8.14.2 Removing the Right Door
8.8.14.3 Removing the Right Door
8.8.14.4 Removing the Manual Feed Unit
8.8.14.5 Removing the Manual Feed Tray Assembly
8.8.15 Manual Feed Unit
8.8.15.1 Removing the Right Cover (rear)
8.8.15.2 Removing the Right Door
8.8.15.3 Removing the Right Door
8.8.15.4 Removing the Manual Feed Unit
8.8.16 Manual Pickup Roller
8.8.16.1 Removing the Right Cover (rear)
8.8.16.2 Removing the Right Door
8.8.16.3 Removing the Right Door
8.8.16.4 Removing the Manual Feed Unit
8.8.16.5 Removing the Manual Feed Pickup Roller
8.8.17 Manual Pick-up Clutch
8.8.17.1 Removing the Right Cover (rear)
8.8.17.2 Removing the Right Door
8.8.17.3 Removing the Right Door
8.8.17.4 Removing the Rear Cover
8.8.17.5 Removing the Main Power Switch
8.8.17.6 Removing the Manual Feed Pickup Clutch
8.8.18 Manual Separation Pad
8.8.18.1 Removing the Right Cover (rear)
8.8.18.2 Removing the Right Door
8.8.18.3 Removing the Right Door
8.8.18.4 Removing the Manual Feed Unit
8.8.18.5 Removing the Manual Feed Pickup Roller
8.8.18.6 Removing the Manual Feed Separation pad
8.8.19 Registration Clutch
8.8.19.1 Removing the Rear Cover
8.8.19.2 Removing the Main Drive Assembly
8.8.19.3 Removing the Main Drive Assembly
8.8.19.4 Removing the Registration Clutch
8.8.20 Feeding Roller
8.8.20.1 Removing the Pickup Roller/Feed Roller/Separation Roller
8.8.21 Vertical Path Roller
8.8.21.1 Removing the Right Cover (rear)
8.8.21.2 Removing the Right Door
8.8.21.3 Removing the Right Door
8.8.21.4 Removing the Right Cover (lower front)
8.8.21.5 Removing the Pickup Assembly 1
8.8.21.6 Removing the Pickup Assembly 2
8.8.21.7 Removing the Sensor Mounting Plate
8.8.21.8 Removing the Vertical Path Roller
8.8.22 Duplex Feed Roller 2
8.8.22.1 Removing the Right Cover (rear)
8.8.22.2 Removing the Right Door
8.8.22.3 Removing the Right Door
8.8.22.4 Removing the Duplex Feed Roller 2
8.8.23 Duplex Feed Sensor
8.8.23.1 Removing the Right Cover (rear)
8.8.23.2 Removing the Right Door
8.8.23.3 Removing the Right Door
8.8.23.4 Removing the Duplex Feed Sensor
8.8.24 Duplex Feed Clutch
8.8.24.1 Removing the Rear Cover
8.8.24.2 Removing the Duplex Feed Clutch
8.8.25 Delivery Assembly 1
8.8.25.1 Removing the Right Cover (rear)
8.8.25.2 Removing the Front Cover Unit
8.8.25.3 Removing the Delivery Tray
8.8.25.4 Removing the Right Door
8.8.25.5 Removing the Right Door
8.8.25.6 Removing the Extension Delivery Kit
8.8.25.7 Removing the Delivery Assembly 1
8.8.26 Fixing/ Delivery Drive Assembly
8.8.26.1 Removing the Right Cover (rear)
8.8.26.2 Removing the Front Cover Unit
8.8.26.3 Removing the Delivery Tray
8.8.26.4 Removing the Right Door
8.8.26.5 Removing the Right Door
8.8.26.6 Removing the Delivery Assembly 1
8.8.26.7 Removing the Fixing Unit
8.8.26.8 Removing the Fixing/Delivery Drive Assembly
8.8.27 Separation Roller
8.8.27.1 Removing the Pickup Roller/Feed Roller/Separation Roller

Chapter 9: FIXING SYSTEM
9.1 Construction
9.1.1Specifications, Control Mechanisms, and Functions
9.1.2Major Components
9.2 Basic Sequence
9.2.1Power-On Sequence
9.2.2Down Sequence
9.3 Various Control Mechanisms
9.3.1 Controlling the Speed of the Fixing Film
9.3.1.1 Controlling the Fixing Film Speed in Response to Low Temperature
9.3.1.2 Controlling the Fixing Film Speed
9.3.2 Controlling the Fixing Film Temperature
9.3.2.1 Controlling the Power Supply in Response to Low Temperature
9.3.2.2 Controlling the Feeding in Response to Low Temperature
9.3.2.3 Controlling the Power Supply at Start-Up
9.3.2.4 Copying Temperature Control
9.3.2.5 Changing the Fixing Film Control Temperature
9.3.2.6 Temperature Control in Response to Automatic Double-Sided Copy
9.3.2.7 Temperature Control in Response to Change of Paper Size
9.3.3 Cleaning
9.3.3.1 Fixing Film Cleaning
9.3.4 Detecting the Passage of Paper
9.3.4.1 Detecting the Passage of Paper
9.4 Protective Functions
9.4.1Protective Functions
9.4.2Detecting an Error
9.5 Parts Replacement Procedure
9.5.1 Fixing Unit
9.5.1.1 Removing the Right Cover (rear)
9.5.1.2 Removing the Right Door
9.5.1.3 Removing the Right Door
9.5.1.4 Removing the Fixing Unit
9.5.2 Pressure Roller
9.5.2.1 Removing the Inside Delivery Cover Unit
9.5.2.2 Removing the Grounding Plate
9.5.2.3 Removing the Fixing Film Cover
9.5.2.4 Removing the Left Side Plate
9.5.2.5 Releasing the Locking Plate
9.5.2.6 Removing the Fixing Film Unit
9.5.2.7 Removing the Inlet Guide
9.5.2.8 Removing the Pressure Roller
9.5.3 Cleaning Roller
9.5.3.1 Removing the Inside Delivery Cover Unit
9.5.3.2 Removing the Cleaning Roller
9.5.4 Fixing Film
9.5.4.1 Removing the Inside Delivery Cover Unit
9.5.4.2 Removing the Grounding Plate
9.5.4.3 Removing the Fixing Film Cover
9.5.4.4 Removing the Left Side Plate
9.5.4.5 Releasing the Locking Plate
9.5.4.6 Removing the Fixing Film Unit
9.5.5 Internal Delivery Sensor
9.5.5.1 Removing the Inside Delivery Cover Unit
9.5.5.2 Removing the Grounding Plate
9.5.5.3 Removing the Fixing Film Cover
9.5.5.4 Removing the Left Side Plate
9.5.5.5 Releasing the Locking Plate
9.5.5.6 Removing the Fixing Film Unit
9.5.5.7 Removing the Inside Delivery Sensor
9.5.6 Fixing Film Sensor
9.5.6.1 Removing the Inside Delivery Cover Unit
9.5.6.2 Removing the Grounding Plate
9.5.6.3 Removing the Fixing Film Sensor

Chapter 10: EXTERNAL AND CONTROLS
10.1 Control Panel
10.1.1Overview
10.1.2LCD Indication Processing
10.1.3Adjustment of the LCD Contact
10.1.4Functions of the Control Panel CPU
10.2 Counters
10.2.1Overview
10.2.2Timing of Increasing the Count
10.3 Fans
10.3.1Overview
10.3.22-Speed Control
10.3.3Sequence of Operation
10.4 Power Supply System
10.4.1 Power Supply
10.4.1.1 Route of Power Inside the Printer Unit
10.4.1.2 Power Supply Route in the Reader Unit
10.4.1.3 Timing of Supply to the Reader Unit
10.4.1.4 Connections to Various Accessories
10.4.2 Rated Output of the DC Power Supply PCB
10.4.2.1 Rated Output of the Printer Unit Power Supply PCB
10.4.2.2 Rated Output of the Controller Power Supply PCB
10.4.2.3 Rated Output of the Accessories Power Supply PCB
10.4.2.4 Rated Output of the All-Night Power Supply PCB
10.4.3 Protection Function
10.4.3.1 Protective Mechanisms
10.4.4 Backup Battery
10.4.4.1 Backup Battery
10.4.5 Energy-Saving Function
10.4.5.1 Overview
10.4.5.2 Machine as Supplied with Power
10.5 Parts Replacement Procedure
10.5.1 Main Drive Assembly
10.5.1.1 Removing the Rear Cover
10.5.1.2 Removing the Main Drive Assembly
10.5.12.6 Removing the Upper Tray
10.5.12.7 Removing the Toner Cartridge Cover
10.5.12.8 Removing the Pre-Exposure Lamp
10.5.12.9 Removing the Left Cover
10.5.12.10 Removing the Laser Unit
10.5.12.11 Removing the Hopper Assembly
10.5.12.12 Removing the Right Cover (rear)
10.5.12.13 Removing the Right Door
10.5.12.14 Removing the Right Door
10.5.12.15 Removing the Right Door
10.5.12.16 Removing the Fixing Unit
10.5.12.17 Removing the Gear
10.5.12.18 Removing the High-Voltage PCB
10.5.13 Exhaust Fan
10.5.13.1 Removing the Heat Discharge Fan
10.5.13.2 Removing the Heat Discharge Fan
10.5.14 Motor of Main Drive Assembly
10.5.14.1 Removing the Rear Cover
10.5.14.2 Removing the Main Drive Assembly
10.5.14.3 Removing the Main Drive Motor
10.5.14.4 Removing the Main Drive Motor
10.5.15 Fixing Driver Motor
10.5.15.1 Removing the Rear Cover
10.5.15.2 Removing the DC Controller PCB
10.5.15.3 Removing the Fixing Drive Motor
10.5.16 Right Door
10.5.16.1 Removing the Right Cover (rear)
10.5.16.2 Removing the Right Door
10.5.16.3 Removing the Right Door
10.5.17 Circuit Braker
10.5.17.1 Removing the Rear Cover
10.5.17.2 Removing the Circuit Breaker

Chapter 11: MEAP
11.1 Overview
11.2 MEAP Counter
11.3 Construction of the MEAP Platform

Chapter 12: MAINTENANCE AND INSPECTION
12.1 Periodically Replaced Parts
12.1.1Overview
12.1.2Reader Unit
12.1.3Printer Unit
12.2 Durables and Consumables
12.2.1Overview
12.2.2Reader Unit
12.2.3Printer Unit
12.3 Scheduled Servicing Basic Procedure
12.3.1Scheduled Servicing for the Reader Unit
12.3.2Scheduled Servicing for the Printer Unit
12.3.3Scheduled Servicing Basic Procedures
12.3.4Points to Note About the Scheduled Servicing
12.4 Cleaning
12.4.1Cleaning the Transfer/Feed Guide
12.4.2Cleaning the Developing Assembly Spacer, Feed Guide, Dust-Blocking Glass, and Fixing Inlet Guide 12
12.4.3Cleaning the Film Bias Static Eliminator
12.4.4Cleaning the Film Bias Static Eliminator

Chapter 13: STANDARDS AND ADJUSTMENTS
13.1 Image Adjustments
13.1.1Standards for Image Position
13.1.2Adjusting the Image Position
13.1.3Cassette
13.1.4Manual Feed Tray
13.1.5Side Paper Deck
13.2 Scanning System
13.2.1After Replacement of the CIS
13.2.2After Replacing the Reader Controller PCB or Initializing the RAM
13.3 Laser Exposure System
13.3.1After Replacing the Laser Scanner Unit
13.4 Image Formation System
13.4.1After Replacing the Developing Unit
13.4.2After Replacing the Drum Unit (APVC correction)
13.5 Electrical Components
13.5.1After Replacing the HDD
13.5.2After Replacing the DC Controller PCB
13.5.3After Replacing the Main Controller PCB
13.5.4After Replacing the Reader Controller PCB
13.6 Pickup/Feeding System
13.6.1Adjusting the Horizontal Registration When Replacing the Cassette
13.6.2Adjusting the Horizontal Registration When Replacing the Duplex Unit
13.6.3Adjusting the Manual Feed Pickup Horizontal Registration
13.6.4Registering the Paper Width Basic Value

Chapter 14: CORRECTING FAULTY IMAGES
14.1 Making lnitial Checks
14.1.1Site Environment
14.1.2Checking the Paper
14.1.3Checking the Placement of Paper
14.1.4Checking the Durables
14.1.5Checking the Periodically Serviced Items
14.1.6Checking the Units and Functional Systems
14.1.7Others
14.2 Troubleshooting
14.2.1 Image Faults
14.2.1.1 Uneven Density
14.2.1.2 Partially Blank/Streaked
14.2.1.3 Smudged/Streaked
14.2.1.4 Ghost/Memory
14.2.2 Malfunction
14.2.2.1 No Power
14.2.2.2 Noise
14.3 Outline of Electrical Components
14.3.1 Clutch/Solenoid
14.3.1.1 Clutches and Solenoids
14.3.2 Motor
14.3.2.1 Motors
14.3.3 Fan
14.3.3.1 Fans
14.3.4 Sensor
14.3.4.1 Sensors
14.3.5 Switch
14.3.5.1 Switches
14.3.6 Lamps, Heaters, and Others
14.3.6.1 Lamps, Heaters, and Others
14.3.7 PCBs
14.3.7.1 PCBs
14.3.8 Variable Resistors(VR), Light-Emitting Diodes(LED),and Check Pins by PCB
14.3.8.1 Variable Resistors (VR), Light-Emitting Diodes, and Check Pins by PCB
14.3.8.2 Points to Note About the Leakage Breaker
14.3.8.3 All-Night Power Supply PCB

Chapter 15: SELF DIAGNOSIS
15.1 Error Code Table
15.1.1Error Code
15.2 Error Code Details
15.2.1Error Code Details
15.2.2E602 in Detaill
15.3 Error Code (SEND)
15.3.1Results of Self-Diagnosis
15.3.2Error Codes
15.4 Jam Code
15.4.1Jam Cover (printer unit)
15.4.2Jam Code (finisher-related)
15.4.3Jam Code (ADF-related)
15.5 Alarm Code
15.5.1Alarm Code
15.6 Finisher/Saddle Finisher Error Codes
15.6.1Error Code in Detail (finisher, puncher)
15.7 DADF Error Codes
15.7.1Error Code in Detail (DF)

Chapter 16: SERVICE MODE
16.1 Outline
16.1.1Construction of Service Mode
16.1.2Starting Service Mode and Making Selections
16.1.3Ending Service Mode
16.1.4Back-Up
16.1.5Initial Screen
16.1.62nd/3rd Item Screen
16.1.74th Item Screen
16.2 DISPLAY(Status Display Mode)
16.2.1 COPIER
16.2.1.1 Copier List
16.2.2 FEEDER
16.2.2.1 Feeder List
16.3 I/O (I/O Display Mode)
16.3.1Outline
16.3.2
16.3.3
16.3.4
16.3.5
16.4 ADJUST(Adjustment Mode)
16.4.1 COPIER
16.4.1.1 Copier List
16.4.2 FEEDER
16.4.2.1 FEEDER List
16.4.3 SORTER
16.4.3.1 Sorter List
16.5 FUNCTION (Operation/Inspection Mode)
16.5.1 COPIER
16.5.1.1 Copier List
16.5.2 FEEDER
16.5.2.1 Feeder List
16.6 OPTION (Machine Settings Mode)
16.6.1 COPIER
16.6.1.1 Copier List
16.6.2 FEEDER
16.6.2.1 Feeder List
16.6.3 SORTER
16.6.3.1 Sorter List
16.6.4 BOARD
16.6.4.1 Board List
16.7 TEST (Test Print Mode)
16.7.1 COPIER
16.7.1.1 Copier List
16.8 COUNTER (Counter Mode)
16.8.1 COPIER
16.8.1.1 Copier List

Chapter 17: SERVICE TOOLS
17.1 Special Tools
17.2 Oils and Solvents

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