Canon iRC2570 iRC2570 iRC2570i iRC3100 iRC3100F iRC3100i iRC3100N iRC3170 iRC3170F iRC3170i Service Manual

Service Manual Canon imageRUNNER C2570 imageRUNNER C2570F imageRUNNER C2570i imageRUNNER C3100 imageRUNNER C3100F imageRUNNER C3100i imageRUNNER C3100N imageRUNNER C3170 imageRUNNER C3170F imageRUNNER C3170i;
This manual is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Canon 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 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 Delivery Accessories System Configuration
1.1.2 Delivery Accessorizes System Configuration 1
1.1.3 Delivery Accessorizes System Configuration 2
1.1.4 Delivery Accessories 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 System configuration of Accessory for Print/Transmission
1.1.11 Functions/Required Accessories List
1.1.12 System configuration of Accessory for Print/Transmission
1.1.13 Functions/Required Accessories List
1.1.14 Printing/Transmitting Accessories System Configuration
1.1.15 Functions of Printing/Transmitting Accessories
1.2 Product Specifications
1.2.1 Names of Parts
1.2.1.1 External View
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 Points to Note About 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 Timer Settings
1.2.3.3 Adjustment and Cleaning
1.2.3.4 Printing Various Reports
1.2.3.5 System Control Settings
1.2.3.6 Copy Function Settings
1.2.3.7 Common Transmission Function Settings
1.2.3.8 Box Function Settings
1.2.3.9 Printer Function Setting
1.2.3.10 Address List Settings
1.2.4 User Maintenance
1.2.4.1 Cleaning
1.2.4.2 Inspection
1.2.5 Safety
1.2.5.1 CDRH Regulations
1.2.5.2 Handling the Laser Unit
1.2.5.3 Safety of the Laser Light
1.2.5.4 Safety of Toner
1.2.6 Product Specifications
1.2.6.1 System and Functions
1.2.6.2 Others
1.2.7 Function List
1.2.7.1 First Copy Time
1.2.7.2 Print speed
1.2.7.3 Print speed
1.2.7.4 Types of Paper

Chapter 2: INSTALLATION
2.1 Making Pre-Checks
2.1.1 Selecting the Site of Installation
2.1.2 Selecting the Site of Installation
2.1.3 Making Checks Before Starting the Work
2.1.4 Check to Make Before Installation
2.1.5 Check to Make Before Installation
2.2 Unpacking and Installation
2.2.1 Points to Note When Turning Off the Main Power
2.2.2 Unpacking and Removing the Fixing Materials
2.2.3 Unpacking and Removing the Fixing Materials
2.2.4 Installing the Drum Unit
2.2.5 Installing the Drum Unit
2.2.6 Preparing for the Mounting of the Developing Assembly
2.2.7 Preparing for the Mounting of the Developing Assembly
2.2.8 Mounting the Cyan Developing Assembly
2.2.9 Mounting the Cyan Developing Assembly
2.2.10 Mounting the Black Developing Assembly
2.2.11 Mounting the Yellow Developing Assembly
2.2.12 Mounting the Magenta Developing Assembly
2.2.13 After Mounting the Developing Assembly
2.2.14 Fixing the Machine in Place
2.2.15 Connecting the Cable
2.2.16 Mounting the Black Developing Assembly
2.2.17 Connecting the Cable
2.2.18 Setting Up the Cassette
2.2.19 Mounting the Yellow Developing Assembly
2.2.20 Mounting the Toner Cartridge
2.2.21 Mounting the Magenta Developing Assembly
2.2.22 Making Initial Settings for the Developing Assembly
2.2.23 After Mounting the Developing Assembly
2.2.24 Initializing the Drum Unit
2.2.25 Fixing the Machine in Place
2.2.26 Automatic Gradation Correction
2.2.27 Connecting the Cable
2.2.28 Setting Up the Cassette
2.2.29 Adjusting the Image Position
2.2.30 Mounting the Toner Cartridge
2.2.31 Making Initial Settings for the Developing Assembly
2.2.32 Others
2.2.33 Initializing the Drum Unit
2.2.34 Automatic Gradation Correction
2.2.35 Adjusting the Image Position
2.2.36 Attaching Other Parts
2.2.37 If Not Connected to a Network
2.3 Checking the Connection to the Network
2.3.1 Checking the Connection to the Network
2.3.2 Checking the Connection to the Network
2.3.3 Using PING
2.3.4 Making Checks Using a Remote Host Address
2.3.5 Using PING
2.3.6 Making Checks Using a Remote Host Address
2.4 Troubleshooting the Network
2.4.1 Troubleshooting the Network
2.4.2 Troubleshooting the Network
2.4.3 Making Checks Using a Loopback Address
2.4.4 Making Checks Using a Loopback Address
2.4.5 Making a Check Using a Local Host Address
2.4.6 Making a Check Using a Local Host Address
2.5 Checking the Images/Operations
2.5.1 Checking the Images
2.5.2 Checking the Images
2.6 Relocating the Machine
2.6.1 Relocating the Machine
2.6.2 Relocating the Machine
2.7 Installing the Card Reader
2.7.1 Points to Note
2.7.2 Points to Note
2.7.3 Checking the Contents
2.7.4 Checking the Contents
2.7.5 Installation
2.7.6 Installation
2.7.7 Using with NetSpot Accountant (NSA)
2.8 Installing the NE Controller-A1
2.8.1 Installing the NE Controller-A1
2.8.2 Installing the NE Controller-A1
2.9 Installing the Key Switch Unit-A1
2.9.1 Checking the Contents
2.9.2 Checking the Contents
2.9.3 Installation
2.9.4 Installation
2.9.5 Making Checks After Installation
2.9.6 Making Checks After Installation
2.10 Installing the Reader Heater
2.10.1 Checking the Contents
2.10.2 Checking the Contents
2.10.3 Installation
2.10.4 Installation

Chapter 3: BASIC OPERATION
3.1 Construction
3.1.1 Functional construction
3.1.2 Connections Among Major PCBs
3.1.3 Connections Among Major PCBs
3.1.4 DC Controller PCB
3.2 Basic Sequence
3.2.1 Basic Sequence of Operations at Power-On
3.2.2 Basic Sequence of Operations for a Print Job (full color)
3.2.3 Basic Sequence of Operations for a Print Job (mono color)

Chapter 4: MAIN CONTROLLER
4.1 Construction
4.1.1 Construction and Functions
4.1.2 Functional Construction
4.2 Construction of the Electrical Circuitry
4.2.1 Main Controller PCB (main)
4.2.2 Main Controller PCB (main)
4.2.3 Main Controller PCB (main)
4.2.4 Main Controller PCB (sub)
4.2.5 Expansion Bus PCB
4.2.6 SRAM PCB
4.2.7 SRAM PCB
4.2.8 HDD
4.3 Start-Up Sequence
4.3.1 Overview
4.3.2 Overview
4.3.3 Start-Up Sequence
4.3.4 Start-Up Sequence
4.4 Actions when HDD Error
4.4.1 E602 in Detail
4.4.2 E602 in Detail (iR C3170/C2570 Series)
4.5 Image Processing
4.5.1 Construction of Image Processing Modules
4.5.2 Reader Input Image Processing
4.5.3 Compression, Decompression, and Edit Processing Blocks
4.5.4 Printer Output Image Processing
4.5.5 Outline of the Flow of Image Processing
4.5.6 Construction of the Image Processing Module
4.5.7 Compression/Decompression and Editing Blocks
4.5.8 Printer Output Image Processing
4.6 Flow of Image Data
4.6.1 Flow of Image Data (copier function)
4.6.2 Flow of Image Data for Copier Functions
4.6.3 Flow of Image Data (Box function)
4.6.4 Flow of Image Data for Box Functions
4.6.5 Flow of Image Data (SEND function)
4.6.6 Flow of Image Data for SEND Functions
4.6.7 Flow of Image Data (fax transmission)
4.6.8 Flow of Image Data for Fax Transmission Functions
4.6.9 Image Data Flow for Fax Reception Functions
4.6.10 Flow of Image Data for Fax Reception Functions
4.6.11 Flow of Image Data (PDL function)
4.6.12 Flow of Image Data for PDL Functions
4.7 Parts Replacement Procedure
4.7.1 Controller Box
4.7.1.1 Removing the Rear Cover (right)
4.7.1.2 Removing the Controller Box Cover
4.7.1.3 Removing the Left Cover (rear)
4.7.1.4 Removing the Controller Fan
4.7.1.5 Removing the Controller Box
4.7.1.6 Removing the Controller Box
4.7.2 Main Controller PCB (main)
4.7.2.1 Removing the Rear Cover
4.7.2.2 Removing the Controller Box Cover
4.7.2.3 Removing the Left Cover (rear)
4.7.2.4 Removing the Main Controller PCB (main)
4.7.2.5 After Replacing the Main Controller PCB (main)
4.7.2.6 Removing the Main Controller PCB (main)
4.7.2.7 After Replacing the Main Controller PCB (main)
4.7.3 Main Controller PCB (sub)
4.7.3.1 Removing the Rear Cover (right)
4.7.3.2 Removing the Controller Box Cover
4.7.3.3 Removing the Left Cover (rear)
4.7.3.4 Removing the Left Cover (rear)
4.7.3.5 Removing the Main Controller PCB (sub)
4.7.3.6 Removing the Main Controller PCB (sub R-A)
4.7.3.7 Removing the Main Controller PCB (sub PE-A)
4.7.3.8 Removing the Relay PCB (Gu-short)
4.7.3.9 Removing the Main Controller PCB (sub SJ-A)
4.7.3.10 Removing the Main Controller PCB (sub LAN-bar-A)
4.7.4 Expansion Bus PCB
4.7.4.1 Removing the Rear Cover (right)
4.7.4.2 Removing the Controller Box Cover
4.7.4.3 Removing the Left Cover (rear)
4.7.4.4 Removing the SRAM Board
4.7.4.5 Removing the Expansion Bus PCB
4.7.4.6 After Replacing the Expansion Bus PCB
4.7.5 SRAM PCB
4.7.5.1 Removing the Rear Cover (right)
4.7.5.2 Removing the Controller Box Cover
4.7.5.3 Removing the SRAM Board
4.7.5.4 After Replacing the SRAM Board
4.7.6 UFR Board
4.7.6.1 Removing the Rear Cover (right)
4.7.6.2 Removing the Controller Box Cover
4.7.6.3 Removing the Left Cover (rear)
4.7.6.4 Removing the UFR Board
4.7.7 Ethernet Board
4.7.7.1 Removing the Rear Cover (right)
4.7.7.2 Removing the Controller Box Cover
4.7.7.3 Removing the Left Cover (rear)
4.7.7.4 Removing the Ethernet Board
4.7.8 HDD
4.7.8.1 Making a Backup of Data (reference only)
4.7.8.2 Handling the HDD
4.7.8.3 Removing the Rear Cover
4.7.8.4 Removing the Controller Box Cover
4.7.8.5 Removing the HDD
4.7.8.6 After Replacing the HDD
4.7.8.7 Removing the HDD
4.7.8.8 After Replacing the HDD
4.7.9 Controller Fan
4.7.9.1 Removing the Rear Cover (right)
4.7.9.2 Removing the Left Cover (rear)
4.7.9.3 Removing the Controller Fan

Chapter 5: ORIGINAL EXPOSURE SYSTEM
5.1 Construction
5.1.1 Specifications, Control Mechanisms, and Functions
5.1.2 Major Components
5.1.3 Construction of the Control System
5.1.4 Reader Controller PCB
5.2 Basic Sequence
5.2.1 Basic Sequence of Operations at Power-On
5.2.2 Basic Sequence of Operations in Response to a Press on the Start Key (book mode, 1 original)
5.2.3 Basic Sequence of Operations in Response to a Press on the Start Key (ADF mode, 1 original)
5.3 Various Control Mechanisms
5.3.1 Controlling the Scanner Drive System
5.3.1.1 Overview
5.3.1.2 Reader Motor Control
5.3.2 Contact Sensor
5.3.2.1 Overview
5.3.2.2 Analog Control Inside the Contact Image Sensor (CIS)
5.3.3 Enlargement/Reduction
5.3.3.1 Changing the Magnification in Main Scanning Direction
5.3.3.2 Changing the Magnification in Sub Scanning Direction
5.3.4 Controlling the Scanning Lamp
5.3.4.1 Scanning Lamp
5.3.4.2 Overview
5.3.4.3 Activation Control
5.3.4.4 Error Detection
5.3.5 Detecting the Size of Originals
5.3.5.1 Overview
5.3.5.2 Points of Original Size Detection
5.3.5.3 Overview of Detection Operation
5.3.6 Dirt Sensor Control
5.3.6.1 Overview
5.3.7 Image Processing
5.3.7.1 Overview
5.3.7.2 Driving the CCD
5.3.7.3 Gain Correction and Offset Correction for the CCD Output
5.3.7.4 A/D Conversion of the CCD Output
5.3.7.5 Shading Correction (outline)
5.3.7.6 Shading Correction
5.3.7.7 Shading Adjustment
5.4 Parts Replacement Procedure
5.4.1 Copyboard Glass
5.4.1.1 Removing the Copyboard Glass
5.4.1.2 After Replacing the Copyboard Glass
5.4.1.3 Removing the ADF Reading Glass
5.4.1.4 After Replacing 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 Copyboard Glass
5.4.2.4 Removing the Reader Controller PCB
5.4.2.5 After Replacing the Reader Controller PCB or After Initializing the RAM
5.4.3 Inverter PCB
5.4.3.1 Removing the Reader Rear Cover
5.4.3.2 Removing the Copyboard Glass
5.4.3.3 Removing the Inverter PCB
5.4.4 Scanner Motor
5.4.4.1 Removing the Reader Rear Cover
5.4.4.2 Removing the Scanner Motor
5.4.5 Contact Sensor
5.4.5.1 Removing the Reader Front Cover
5.4.5.2 Removing the Reader Rear Cover
5.4.5.3 Removing the Copyboard Glass
5.4.5.4 Removing the Contact Image Sensor (CIS)
5.4.5.5 After Replacing the CIS
5.4.6 Original Cover Sensor
5.4.6.1 Removing the Reader Rear Cover
5.4.6.2 Removing the Copyboard Cover Open/Closed Sensor (front/rear)
5.4.7 Contact Sensor HP Sensor
5.4.7.1 Removing the Copyboard Glass
5.4.7.2 Removing the ADF Reading Glass
5.4.7.3 Removing the Contract Sensor Home Position Sensor
5.4.8 Original Sensor
5.4.8.1 Removing the Reader Rear Cover
5.4.8.2 Removing the Copyboard Glass
5.4.8.3 Removing the Original Size Sensor (AB/Inch-configuration)
5.4.9 Reader Heater (option)
5.4.9.1 Removing the Copyboard Glass
5.4.9.2 Removing the Reader Heater (right)

Chapter 6: LASER EXPOSURE
6.1 Construction
6.1.1 Specifications, Control Mechanisms, and Functions
6.1.2 Major Components
6.1.3 Construction of the Control System
6.2 Basic Sequence
6.2.1 Basic Sequence of Operations
6.3 Various Control
6.3.1 Controlling the Laser Activation Timing
6.3.1.1 Turning On and Off the Laser Unit
6.3.1.2 Main Scanning Synchronization Control
6.3.1.3 Sub Scanning Direction Write Start Position Control
6.3.2 Controlling the Intensity of Laser Light
6.3.2.1 APC Control
6.3.2.2 PWM Control
6.3.3 Controlling the Laser Scanner Motor
6.3.3.1 Laser Scanner Motor Control
6.3.4 Controlling the Laser Shutter
6.3.4.1 Laser Shutter Control
6.4 Parts Replacement Procedure
6.4.1 Laser Scanner Unit
6.4.1.1 Removing the Left Cover
6.4.1.2 Removing the Left Grip (front)
6.4.1.3 Removing the Laser Scanner Unit
6.4.1.4 After Replacing the Laser Scanner Unit
6.4.2 Dust-Proofing Glass Cleaning Pad
6.4.2.1 Removing the Dust-Blocking Glass Cleaning Pad

Chapter 7: IMAGE FORMATION
7.1 Construction
7.1.1 Specifications of the Image Formation System
7.1.2 Major Components of the Image Formation System
7.1.3 Specifications of the Charging System
7.2 Image Formation Process
7.2.1 Image Formation Process (outline)
7.2.2 Image Formation Process (image formation)
7.2.3 2-Side Placement Control
7.3 Basic Sequence
7.3.1 Power-On
7.3.2 Copying/Printing (normal speed)
7.3.3 Copying/Printing (half-speed)
7.3.4 Copying/Printing a Mix of Color and Black-and-White Originals
7.4 Image Stabilization Control
7.4.1 Outline of Image Stabilization Control
7.4.2 Timing of Image Stabilization Control
7.4.3 ATR Control
7.4.4 Drum Film Thickness Detection Control
7.4.5 Development Contrast Control
7.4.6 ATVC Control
7.4.7 PASCAL Control (image gradation density correction)
7.4.8 Development Gradation Density Correction Control
7.4.9 Auto Gradation Correction Function
7.5 Drum Unit
7.5.1 Drum Unit
7.5.1.1 Construction of the Drum Unit
7.5.1.2 Charging Bias Control
7.5.1.3 Drum Cleaning
7.5.1.4 Drum Unit Drive Path
7.6 Developing Rotary
7.6.1 Construction of the Developing Rotary
7.6.2 Developing Rotary Control
7.6.3 Developing Assembly Drive Path
7.7 Developing Unit
7.7.1 Construction of the Developing Unit
7.7.2 ACR Control (Auto Carrier Refresh control)
7.7.3 Developing Bias Control
7.8 Toner Container
7.8.1 Construction of the Toner Cartridge
7.8.2 Toner Level Detection Control
7.8.3 Toner Supply Control
7.9 Transfer Device
7.9.1 Construction of the Transfer Assembly
7.9.2 ITB Home Position Detection Control
7.9.3 Transfer Bias Control
7.9.4 Cleaning the Intermediate Transfer Belt (ITB)
7.9.5 Cleaning the Secondary Transfer Outside Roller
7.9.6 ITB Waste Toner Collection Mechanism
7.9.7 Transfer Assembly Drive Path
7.9.8 Transfer Assembly Swing Control
7.9.9 Transfer Assembly Swing Control
7.9.10 Separation
7.10 Parts Replacement Procedure
7.10.1 Drum Unit
7.10.1.1 Removing the Drum Unit
7.10.1.2 Points to Note When Mounting the Drum Unit
7.10.1.3 After Replacing the Drum Unit
7.10.2 Development Unit
7.10.2.1 Finisher-P1 in Use
7.10.2.2 Removing the Delivery Tray
7.10.2.3 Removing the Delivery Tray Lower Cover
7.10.2.4 Removing the ITB Waste Toner Unit
7.10.2.5 Removing the Developing Unit
7.10.2.6 Points to Keep in Mind When Fitting the Developing Unit
7.10.2.7 After Replacing the Developing Unit (Y, M, C)
7.10.2.8 After Replacing the Developing Unit (Bk)
7.10.3 Rotary Upper Cover
7.10.3.1 Removing the Drum Unit
7.10.3.2 Removing the Rotary Upper Cover
7.10.3.3 Points to Note When Mounting the Drum Unit
7.10.4 Rotary Lower Cover
7.10.4.1 Removing the Left Cover
7.10.4.2 Removing the Left Grip (front)
7.10.4.3 Removing the Rotary Lower Cover
7.10.5 ITB Cleaning Unit
7.10.5.1 Preparing for the Removal of the ITB Cleaning Unit
7.10.5.2 Removing the Delivery Tray
7.10.5.3 Removing the Delivery Tray Lower Cover
7.10.5.4 Removing the ITB Waste Toner Unit
7.10.5.5 Removing the ITB Cleaning Unit
7.10.5.6 Points to Note When Mounting the ITB Cleaning Unit
7.10.6 ITB Waste Toner Unit
7.10.6.1 Removing the ITB Waste Toner Unit
7.10.7 Intermediate Transfer Unit
7.10.7.1 Removing the Drum Unit
7.10.7.2 Removing the Delivery Tray
7.10.7.3 Removing the Delivery Tray Lower Cover
7.10.7.4 Removing the waste toner unit retainer
7.10.7.5 Removing the protective plate
7.10.7.6 Removing the Right Cover (upper rear)
7.10.7.7 Removing the Right Door
7.10.7.8 Removing the Fixing Unit
7.10.7.9 Removing the Fixing Release Arm Plate
7.10.7.10 Removing the Intermediate Transfer Unit (ITB unit)
7.10.7.11 Points to Note When Mounting the ITB Unit
7.10.7.12 Points to Note When Mounting the Drum Unit
7.10.7.13 After Replacing the Intermediate Transfer Unit
7.10.8 ITB Waste Toner Detection Unit
7.10.8.1 Removing the Delivery Tray
7.10.8.2 Removing the Delivery Tray Lower Cover
7.10.8.3 Removing the ITB Waste Toner Detection Unit
7.10.9 Intermediate Transfer Belt
7.10.9.1 Removing the Drum Unit
7.10.9.2 Removing the Delivery Tray
7.10.9.3 Removing the Delivery Tray Lower Cover
7.10.9.4 Removing the waste toner unit retainer
7.10.9.5 Removing the protective plate
7.10.9.6 Removing the Right Cover (upper rear)
7.10.9.7 Removing the Right Door
7.10.9.8 Removing the Fixing Unit
7.10.9.9 Removing the Fixing Release Arm Plate
7.10.9.10 Removing Intermediate Transfer Unit (ITB unit)
7.10.9.11 Removing the Intermediate Transfer Belt (ITB)
7.10.9.12 Points to Note When Mounting the ITB
7.10.9.13 Points to Note When Mounting the ITB Unit
7.10.9.14 Points to Note When Mounting the Drum Unit
7.10.9.15 After Replacing the Intermediate Transfer Belt
7.10.10 ITB Home Position Sensor PCB
7.10.10.1 Removing the Drum Unit
7.10.10.2 Removing the Delivery Tray
7.10.10.3 Removing the Delivery Tray Lower Cover
7.10.10.4 Removing the waste toner unit retainer
7.10.10.5 Removing the protective plate
7.10.10.6 Removing the Right Cover (upper rear)
7.10.10.7 Removing the Right Door
7.10.10.8 Removing the Fixing Unit
7.10.10.9 Removing the Fixing Release Arm Plate
7.10.10.10 Removing the Intermediate Toner Unit (ITB unit)
7.10.10.11 Removing the Intermediate Transfer Belt (ITB)
7.10.10.12 Removing the ITB Home Position Sensor PCB
7.10.10.13 Points to Note When Mounting the ITB
7.10.10.14 Points to Note When Mounting the ITB Unit
7.10.10.15 Points to Note When Mounting the Drum Unit
7.10.11 Primary Transfer Roller
7.10.11.1 Removing the Drum Unit
7.10.11.2 Removing the Delivery Tray
7.10.11.3 Removing the Delivery Tray Lower Cover
7.10.11.4 Removing the waste toner unit retainer
7.10.11.5 Removing the protective plate
7.10.11.6 Removing the Right Cover (upper rear)
7.10.11.7 Removing the Right Door
7.10.11.8 Removing the Fixing Unit
7.10.11.9 Removing the Fixing Release Arm Plate
7.10.11.10 Removing the Intermediate Transfer Unit (ITB unit)
7.10.11.11 Removing the Intermediate Transfer Belt (ITB)
7.10.11.12 Removing the Primary Transfer Roller
7.10.11.13 Points to Note When Mounting the ITB
7.10.11.14 Points to Note When Mounting the ITB Unit
7.10.11.15 Points to Note When Mounting the Drum Unit
7.10.11.16 After Replacing the Primary Transfer Roller
7.10.12 Secondary Transfer External Roller
7.10.12.1 Removing the Separation Static Eliminator
7.10.12.2 Removing the Secondary Transfer Outside Roller
7.10.12.3 Points to Note When Mounting the Secondary Transfer Outside Roller
7.10.12.4 After Replacing the Secondary Transfer Outside Roller
7.10.13 Secondary Transfer Internal Roller
7.10.13.1 Removing the Drum Unit
7.10.13.2 Removing the Delivery Tray
7.10.13.3 Removing the Delivery Tray Lower Cover
7.10.13.4 Removing the waste toner unit retainer
7.10.13.5 Removing the protective plate
7.10.13.6 Removing the Right Cover (upper rear)
7.10.13.7 Removing the Right Door
7.10.13.8 Removing the Fixing Unit
7.10.13.9 Removing the Fixing Release Arm Plate
7.10.13.10 Removing the Intermediate Transfer Unit (ITB unit)
7.10.13.11 Removing the Intermediate Transfer Belt (ITB)
7.10.13.12 Removing the Secondary Transfer Inside Roller
7.10.13.13 Points to Note When Mounting the ITB
7.10.13.14 Points to Note When Mounting the ITB Unit
7.10.13.15 Points to Note When Mounting the Drum Unit
7.10.14 ITB Cleaning Blade
7.10.14.1 Preparing for the Removal of the ITB Cleaning Unit
7.10.14.2 Removing the Delivery Tray
7.10.14.3 Removing the Delivery Tray Lower Cover
7.10.14.4 Removing the ITB Waste Toner Unit
7.10.14.5 Removing the ITB Cleaning Unit
7.10.14.6 Removing the ITB Cleaning Blade
7.10.14.7 Point to Note When Replacing the ITB Cleaning Blade
7.10.14.8 Points to Note When Mounting the ITB Cleaning Unit
7.10.15 ITB Fan
7.10.15.1 Removing the Delivery Tray
7.10.15.2 Removing the Delivery Tray Lower Cover
7.10.15.3 Removing the ITB Cleaning Fan
7.10.16 Separator Eliminator
7.10.16.1 Removing the Separation Static Eliminator
7.10.17 ATR Sensor Unit
7.10.17.1 Removing the Left Cover
7.10.17.2 Removing the Delivery Tray
7.10.17.3 Removing the Delivery Tray Lower Cover
7.10.17.4 Removing ATR Sensor Unit
7.10.18 Environment Sensor PCB
7.10.18.1 Removing the Drum Unit
7.10.18.2 Removing the Right Cover (upper rear)
7.10.18.3 Removing the Right Door
7.10.18.4 Removing the Fixing Assembly Release Arm Plate
7.10.18.5 Removing the Fixing Unit
7.10.18.6 Removing the Patch Image Read Sensor
7.10.18.7 Removing the Environment Sensor PCB
7.10.18.8 Points to Note When Mounting the Drum Unit
7.10.19 Patch Image Sensor
7.10.19.1 Removing the Drum Unit
7.10.19.2 Removing the Right Cover (upper rear)
7.10.19.3 Removing the Right Door
7.10.19.4 Removing the Fixing Assembly Release Arm Plate
7.10.19.5 Removing the Fixing Unit
7.10.19.6 Removing the Patch Image Read Sensor
7.10.19.7 Points to Note When Mounting the Drum Unit

Chapter 8: PICKUP/FEEDING SYSTEM
8.1 Construction
8.1.1 Specifications, Control Mechanisms, and Functions
8.1.2 Major Divisions of the Machine
8.1.3 Arrangement of the Rollers
8.1.4 Paper Paths (printer on its own)
8.1.5 Paper Paths (w/ Inner 2-Way Tray-C1)
8.1.6 Paper Paths (w/ Finisher-P1)
8.1.7 Paper Paths (w/ Finisher-Q1/Saddle Finisher-Q2)
8.1.8 Arrangement of Sensors
8.1.9 Arrangement of Clutches and Solenoids
8.1.10 Drive Transmission Routes
8.2 Basic Sequence
8.2.1 Basic Sequence of Operations at Power-On
8.2.2 Basic Sequence of Operation in Response to a Press on the Start Key
8.2.3 Increase in Speed
8.3 Detecting Jams
8.3.1 Delay 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 Wrong Size Jam
8.3.3.2 Wrong Material Jam
8.3.3.3 Cover Open Jam
8.4 Cassette
8.4.1 Overview
8.4.2 Identifying the Paper Size
8.4.3 Setting Up the Universal Cassette
8.4.4 Paper Level Sensor
8.5 Cassette Pick-Up Unit
8.5.1 Overview
8.5.2 Basic Sequence of Operations
8.6 Manual Feed Pickup Unit
8.6.1 Overview
8.6.2 Basic Sequence of Operations
8.6.3 Identifying the Paper Size
8.6.4 Paper Retaining Mechanism
8.7 Registration Unit
8.7.1 Overview
8.7.2 Controlling the Horizontal Registration
8.8 Duplex Feeding Unit
8.8.1 Overview
8.8.2 Sequence of Image Formation
8.8.3 Flow of Paper (wo/ Delivery Option)
8.8.4 Flow of Paper (w/ Delivery option -internal delivery)
8.8.5 Flow of Paper (w/ Delivery option -external delivery)
8.9 Parts Replacement Procedure
8.9.1 Pickup Unit 1
8.9.1.1 Removing the Right Cover (upper rear)
8.9.1.2 Removing the Right Door
8.9.1.3 Removing the Right Cover (lower rear)
8.9.1.4 Removing the Right Cover (lower front)
8.9.1.5 Removing the Pickup Assembly 1
8.9.2 Pickup Unit 2
8.9.2.1 Removing the Right Cover (lower rear)
8.9.2.2 Removing the Right Cover (lower front)
8.9.2.3 Removing the Pickup Assembly 2
8.9.3 Sensor Mounting Plate
8.9.3.1 Removing the Right Cover (upper rear)
8.9.3.2 Removing the Right Door
8.9.3.3 Removing the Right Cover (lower rear)
8.9.3.4 Removing the Right Cover (lower front)
8.9.3.5 Removing the Pickup Assembly 1
8.9.3.6 Removing the Pickup Assembly 2
8.9.3.7 Removing the Sensor Base
8.9.3.8 Mounting the Sensor Base
8.9.4 Pickup Roller
8.9.4.1 Removing the Pickup Roller/Feed Roller/Separation Roller
8.9.5 Feed Roller
8.9.5.1 Removing the Pickup Roller/Feed Roller/Separation Roller
8.9.6 Separation Roller
8.9.6.1 Removing the Pickup Roller/Feed Roller/Separation Roller
8.9.7 Cassette Pickup Motor 1
8.9.7.1 Removing the Rear Cover
8.9.7.2 Removing the Cassette Pickup Motor 1
8.9.8 Cassette Pickup Motor 2
8.9.8.1 Removing the Rear Cover
8.9.8.2 Removing the Leakage Breaker
8.9.8.3 Removing the Cassette Pickup Motor 2
8.9.9 Cassette Size Detection Sensor
8.9.9.1 Removing the Right Cover (upper rear)
8.9.9.2 Removing the Right Door
8.9.9.3 Removing the Right Cover (lower rear)
8.9.9.4 Removing the Right Cover (lower front)
8.9.9.5 Removing the Pickup Assembly 2
8.9.9.6 Removing the Pickup Assembly 1
8.9.9.7 Removing the Cassette Size Sensor
8.9.10 Cassette Retry Paper Sensor
8.9.10.1 Removing the Right Cover (upper rear)
8.9.10.2 Removing the Right Door
8.9.10.3 Removing the Right Cover (lower rear)
8.9.10.4 Removing the Right Cover (lower front)
8.9.10.5 Removing the Pickup Assembly 1
8.9.10.6 Removing the Pickup Assembly 2
8.9.10.7 Removing the Sensor Base
8.9.10.8 Removing the Cassette Retry Paper Sensor
8.9.11 Cassette Paper Sensor
8.9.11.1 Removing the Right Cover (upper rear)
8.9.11.2 Removing the Right Door
8.9.11.3 Removing the Right Cover (lower rear)
8.9.11.4 Removing the Right Cover (lower front)
8.9.11.5 Removing the Pickup Assembly 1
8.9.11.6 Removing the Pickup Assembly 2
8.9.11.7 Removing the Sensor Base
8.9.11.8 Removing the Cassette Paper Sensor
8.9.12 Cassette Paper Level Sensor (A/B)
8.9.12.1 Removing the Right Cover (upper rear)
8.9.12.2 Removing the Right Door
8.9.12.3 Removing the Right Cover (lower rear)
8.9.12.4 Removing the Right Cover (lower front)
8.9.12.5 Removing the Pickup Assembly 1
8.9.12.6 Removing the Pickup Assembly 2
8.9.12.7 Removing the Sensor Base
8.9.12.8 Removing the Cassette Paper Level Sensor (A/B)
8.9.13 Slide Resistor
8.9.13.1 Removing the Right Cover (upper rear)
8.9.13.2 Removing the Right Door
8.9.13.3 Removing the Manual Feed Unit
8.9.13.4 Removing Manual Feed Tray Unit
8.9.13.5 Removing the Slide Resistor
8.9.14 Cassette Pickup Solenoid
8.9.14.1 Removing the Right Cover (upper rear)
8.9.14.2 Removing the Right Door
8.9.14.3 Removing the Right Cover (lower rear)
8.9.14.4 Removing the Right Cover (lower front)
8.9.14.5 Removing the Pickup Assembly 1
8.9.14.6 Removing the Pickup Assembly 2
8.9.14.7 Removing the Cassette Pickup Solenoid
8.9.15 Cassette Size Sensor Relay PCB
8.9.15.1 Removing the Right Cover (upper rear)
8.9.15.2 Removing the Right Door
8.9.15.3 Removing the Right Cover (lower rear)
8.9.15.4 Removing the Right Cover (lower front)
8.9.15.5 Removing the Pickup Assembly 1
8.9.15.6 Removing the Pickup Assembly 2
8.9.15.7 Removing the Cassette Size Sensor Relay PCB
8.9.16 Manual Feed Pickup Clutch
8.9.16.1 Removing the Right Cover (upper rear)
8.9.16.2 Removing the Right Door
8.9.16.3 Removing the Rear Cover
8.9.16.4 Removing the Main Power Switch
8.9.16.5 Removing the Manual Feed Pickup Clutch
8.9.17 Manual Feed Tray Unit
8.9.17.1 Removing the Right Cover (upper rear)
8.9.17.2 Removing the Right Door
8.9.17.3 Removing the Manual Feed Unit
8.9.17.4 Removing Manual Feed Tray Unit
8.9.18 Manual Feed Unit
8.9.18.1 Removing the Right Cover (upper rear)
8.9.18.2 Removing the Right Door
8.9.18.3 Removing the Manual Feed Unit
8.9.19 Manual Pickup Roller
8.9.19.1 Removing the Right Cover (upper rear)
8.9.19.2 Removing the Right Door
8.9.19.3 Removing the Manual Feed Unit
8.9.19.4 Removing the Pickup Roller
8.9.20 Manual Feed Separation Pad
8.9.20.1 Removing the Right Cover (upper rear)
8.9.20.2 Removing the Right Door
8.9.20.3 Removing the Manual Feed Unit
8.9.20.4 Removing the Pickup Roller
8.9.20.5 Removing the Manual Feed Separation Pad
8.9.21 Transparency Sensor (Front/Rear)
8.9.21.1 Removing the Right Cover (upper rear)
8.9.21.2 Removing the Right Door
8.9.21.3 Removing the Right Cover (lower rear)
8.9.21.4 Removing the Right Cover (lower front)
8.9.21.5 Removing the PIck-up Assembly 1
8.9.21.6 Removing the Transparency Sensor
8.9.22 Registration Sensor
8.9.22.1 Removing the Right Cover (upper rear)
8.9.22.2 Removing the Right Door
8.9.22.3 Removing the Rear Cover
8.9.22.4 Removing the Main Power Switch
8.9.22.5 Removing the Manual Feed Pickup Clutch
8.9.22.6 Removing the Contact Guide and the Pre-Registration Guide Fixing Boss
8.9.22.7 Removing the Inside Front Cover (right)
8.9.22.8 Removing the Registration Sensor
8.9.23 Registration Clutch
8.9.23.1 Removing the Rear Cover
8.9.23.2 Removing the Registration Clutch
8.9.24 Vertical Path Roller
8.9.24.1 Removing the Right Cover (upper rear)
8.9.24.2 Removing the Right Door
8.9.24.3 Removing the Right Cover (lower rear)
8.9.24.4 Removing the Right Cover (lower front)
8.9.24.5 Removing the Pickup Assembly 1
8.9.24.6 Removing the Pickup Assembly 2
8.9.24.7 Removing the Sensor Base
8.9.24.8 Removing the Vertical Path Roller
8.9.25 Duplex Feed Roller 2
8.9.25.1 Removing the Right Cover (upper rear)
8.9.25.2 Removing the Right Door
8.9.25.3 Removing the Duplex Feed Sensor
8.9.25.4 Removing the Duplex Feed Roller 2
8.9.26 Duplex Feed Sensor
8.9.26.1 Removing the Right Cover (upper rear)
8.9.26.2 Removing the Right Door
8.9.26.3 Removing the Duplex Feed Sensor
8.9.27 Duplex Feed Clutch
8.9.27.1 Removing the Right Cover (upper rear)
8.9.27.2 Removing the Right Door
8.9.27.3 Removing the Rear Cover
8.9.27.4 Removing the Duplex Feed Clutch
8.9.28 Delivery Assembly 1
8.9.28.1 Removing the Delivery Tray
8.9.28.2 Removing the Support Cover
8.9.28.3 Removing the Delivery Tray Right Cover
8.9.28.4 Removing the Right Cover (upper rear)
8.9.28.5 Removing the Right Door
8.9.28.6 Removing the Delivery Assembly 1
8.9.29 Delivery Drive Unit
8.9.29.1 Removing the Delivery Tray
8.9.29.2 Removing the Support Cover
8.9.29.3 Removing the Delivery Tray Right Cover
8.9.29.4 Removing the Right Door
8.9.29.5 Removing the Delivery Assembly 1
8.9.29.6 Removing the Delivery Drive Assembly

Chapter 9: FIXING SYSTEM
9.1 Construction
9.1.1 Specifications, Control Mechanisms, and Functions
9.1.2 Major Components
9.1.3 Construction of the Control System
9.2 Basic Sequence
9.2.1 Sequence of Operations at Power-On
9.2.2 Basic Sequence of Operations During Printing
9.3 Various Control Mechanisms
9.3.1 Controlling the Speed of the Fixing Roller
9.3.1.1 Overview
9.3.1.2 Speed Control According to Paper Type
9.3.2 Controlling the Fixing Roller Temperature
9.3.2.1 Overview
9.3.2.2 At Power-On
9.3.2.3 At a Standby State
9.3.2.4 At Time of Printing
9.3.2.5 Return Sequence
9.3.3 Detecting the Passage of Paper
9.3.3.1 Detection of the Passage of Paper
9.4 Protective Functions
9.4.1 Detecting Overheating by the Main Thermistor (TH1)
9.4.2 Detecting Overheating by the Sub Thermistor (TH2)
9.4.3 Detecting Overheating in Relation to a Triac Short-Circuit
9.4.4 Detecting Overheating by the Thermal Switch (TP1)
9.4.5 Detecting Overheating of the Heat Retention Heater (H3)
9.4.6 Error
9.5 Parts Replacement Procedure
9.5.1 Fixing Unit
9.5.1.1 Removing the Right Cover (upper rear)
9.5.1.2 Removing the Right Door
9.5.1.3 Removing the Fixing Unit
9.5.2 Fixing Upper Frame
9.5.2.1 Removing the Right Cover (upper rear)
9.5.2.2 Removing the Right Door
9.5.2.3 Removing the Fixing Unit
9.5.2.4 Removing the Fixing Inlet Guide
9.5.2.5 Removing the Fixing Roller
9.5.2.6 Removing the Fixing Upper Frame
9.5.2.7 Point to note when handling the fixing main cable
9.5.3 Fixing Roller
9.5.3.1 Removing the Right Cover (upper rear)
9.5.3.2 Removing the Right Door
9.5.3.3 Removing the Fixing Unit
9.5.3.4 Removing the Fixing Inlet Guide
9.5.3.5 Removing the Fixing Roller
9.5.3.6 Point to note when handling the fixing main cable
9.5.4 Pressure Roller
9.5.4.1 Removing the Right Cover (upper rear)
9.5.4.2 Removing the Right Door
9.5.4.3 Removing the Fixing Unit
9.5.4.4 Removing the Fixing Pressure Roller
9.5.4.5 Point to note when handling the fixing main cable
9.5.5 Fixing Main Thermistor
9.5.5.1 Removing the Right Cover (upper rear)
9.5.5.2 Removing the Right Door
9.5.5.3 Removing the Fixing Unit
9.5.5.4 Removing the Fixing Main Thermistor
9.5.5.5 Point to Note About the Position of the Fixing Main Thermistor
9.5.6 Fixing Sub Thermistor
9.5.6.1 Removing the Right Cover (upper rear)
9.5.6.2 Removing the Right Door
9.5.6.3 Removing the Fixing Unit
9.5.6.4 Removing the Fixing Sub Thermistor
9.5.6.5 Point to Note When Mounting the Fixing Sub Thermistor
9.5.7 Fixing Thermal Switch
9.5.7.1 Removing the Right Cover (upper rear)
9.5.7.2 Removing the Right Door
9.5.7.3 Removing the Fixing Unit
9.5.7.4 Removing the Fixing Thermal Switch
9.5.7.5 Point to Note When Mounting the Fixing Thermal Switch
9.5.8 Fixing Main Heater/Fixing Sub Heater
9.5.8.1 Removing the Right Cover (upper rear)
9.5.8.2 Removing the Right Door
9.5.8.3 Removing the Fixing Unit
9.5.8.4 Removing the Fixing Inlet Guide
9.5.8.5 Removing the Fixing Main Heater and the Fixing Sub Heater
9.5.8.6 Point to note when handling the fixing main cable
9.5.9 Fixing Heat Retaining Heater
9.5.9.1 Removing the Right Cover (upper rear)
9.5.9.2 Removing the Right Door
9.5.9.3 Removing the Fixing Unit
9.5.9.4 Removing the Fixing Heat Retention Heater
9.5.10 Fixing Inlet Guide
9.5.10.1 Removing the Right Cover (upper rear)
9.5.10.2 Removing the Right Door
9.5.10.3 Removing the Fixing Unit
9.5.10.4 Removing the Fixing Inlet Guide
9.5.10.5 Point to note when handling the fixing main cable
9.5.11 Fixing Delivery Guide
9.5.11.1 Removing the Right Cover (upper rear)
9.5.11.2 Removing the Right Door
9.5.11.3 Removing the Fixing Unit
9.5.11.4 Removing the Fixing Delivery Guide
9.5.12 Fixing Inlet Sensor
9.5.12.1 Removing the Right Cover (upper rear)
9.5.12.2 Removing the Right Door
9.5.12.3 Removing the Fixing Unit
9.5.12.4 Removing the Fixing Inlet Sensor
9.5.12.5 Point to note when handling the fixing main cable
9.5.13 Fixing Delivery Sensor
9.5.13.1 Removing the Right Cover (upper rear)
9.5.13.2 Removing the Right Door
9.5.13.3 Removing the Fixing Unit
9.5.13.4 Removing the Fixing Delivery Sensor

Chapter 10: EXTERNALS AND CONTROLS
10.1 Control Panel
10.1.1 Overview
10.1.2 LCD Processing
10.1.3 Adjusting the LCD Screen Contrast
10.1.4 Control Panel CPU
10.2 Counters
10.2.1 Overview
10.2.2 Timing of Increasing the Count
10.3 Fans
10.3.1 Overview
10.3.2 2-Speed Control
10.3.3 Sequence of Operations
10.4 Power Supply
10.4.1 Power Supply
10.4.1.1 Route of Power Supply Inside the Printer
10.4.1.2 Route of Power Supply Inside the Printer
10.4.1.3 Route of Power to the Reader Unit
10.4.1.4 Timing of Supplying Power to the Reader Unit
10.4.1.5 Routes of Power to various Options
10.4.2 Rated Output of 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 Options Power Supply PCB
10.4.2.4 Rated Output of the Non-Interruptive Power Supply PCB
10.4.3 Protection Function
10.4.3.1 Protective Functions
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 Power Supply and Heater Control
10.4.5.3 Overview
10.4.5.4 Power Supply and Heater Control
10.5 Parts Replacement Procedure
10.5.1 Option Power Supply Assembly
10.5.1.1 Removing the Rear Cover
10.5.1.2 Removing the All-Night Power Supply PCB
10.5.1.3 Removing the Accessories Power Supply
10.5.2 Controller Power Supply Unit
10.5.2.1 Removing the Rear Cover (right)
10.5.2.2 Removing the All-Night Power Supply PCB
10.5.2.3 Removing the Controller Power Supply
10.5.3 Printer Power Supply Unit
10.5.3.1 Removing the Rear Cover (right)
10.5.3.2 Removing the All-Night Power Supply PCB
10.5.3.3 Removing the Controller Box
10.5.3.4 Removing the Accessories Power Supply
10.5.3.5 Removing the Controller Power Supply
10.5.3.6 Removing the Left Cover (lower)
10.5.3.7 Removing the Printer Unit Power Supply
10.5.4 Control Panel
10.5.4.1 Removing the Support Cover (right)
10.5.4.2 Removing the Control Panel
10.5.5 Control Panel LCD Unit
10.5.5.1 Removing the Support Cover (right)
10.5.5.2 Removing the Control Panel
10.5.5.3 Removing the Control Panel Lower Cover
10.5.5.4 Removing the Control Panel LCD
10.5.6 DC Controller PCB
10.5.6.1 Removing the Rear Cover
10.5.6.2 Removing the DC Controller PCB
10.5.6.3 When Replacing the DC Controller
10.5.7 All-Night Power Supply PCB
10.5.7.1 Removing the Rear Cover
10.5.7.2 Removing the All-Night Power Supply PCB
10.5.8 Leakage Breaker
10.5.8.1 Removing the Rear Cover
10.5.8.2 Removing the Leakage Breaker
10.5.9 HVT PCB
10.5.9.1 Removing the Rear Cover
10.5.9.2 Removing the All-Night Power Supply PCB
10.5.9.3 Removing the Controller Box
10.5.9.4 Removing the Accessories Power Supply
10.5.9.5 Removing the High-Voltage Sub PCB
10.5.9.6 Removing the Controller Power Supply
10.5.9.7 Removing the Printer Power Supply
10.5.9.8 Removing the HVT PCB
10.5.9.9 When Replacing the HVT PCB
10.5.10 High-Voltage Sub PCB
10.5.10.1 Removing the Rear Cover
10.5.10.2 Removing the All-Night Power Supply PCB
10.5.10.3 Removing the Accessories Power Supply
10.5.10.4 Removing the High-Voltage Sub PCB
10.5.11 Control Panel CPU PCB
10.5.11.1 Removing the Support Cover (right)
10.5.11.2 Removing the Control Panel
10.5.11.3 Removing the Control Panel Lower Cover
10.5.11.4 Removing the Control Panel CPU PCB
10.5.12 Control Panel Key Switch PCB
10.5.12.1 Removing the Support Cover (right)
10.5.12.2 Removing the Control Panel
10.5.12.3 Removing the Control Panel Lower Cover
10.5.12.4 Removing the Control Panel Key Switch PCB
10.5.13 Control Panel Inverter PCB
10.5.13.1 Removing the Support Cover (right)
10.5.13.2 Removing the Control Panel
10.5.13.3 Removing the Control Panel Lower Cover
10.5.13.4 Removing the Control Panel Inverter
10.5.14 Main Power Switch
10.5.14.1 Removing the Rear Cover
10.5.14.2 Removing the Right Cover (lower rear)
10.5.14.3 Removing the Main Power Switch
10.5.15 Front Cover Open/Closed Detecting Switch
10.5.15.1 Removing the Toner Bottle Retainer
10.5.15.2 Removing the Inside Front Cover (right)
10.5.15.3 Removing the Front Cover Open/Closed SW
10.5.16 ITB Fan
10.5.16.1 Removing the Delivery Tray
10.5.16.2 Removing the Inside Front Cover (right)
10.5.16.3 Removing the ITB Fan
10.5.17 Toner Intake Fan
10.5.17.1 Removing the Rear Cover
10.5.17.2 Removing the Left Cover (rear)
10.5.17.3 Removing the Toner Suction Fan
10.5.18 Machine Heat Discharge Fan
10.5.18.1 Removing the Right Cover (upper rear)
10.5.18.2 Removing the Right Door
10.5.18.3 Removing the Machine Heat Exhaust Fan
10.5.18.4 Routing the Heat Discharge Fan Harness
10.5.19 Toner Intake Fan Filter
10.5.19.1 Removing the Toner Suction Fan Cover
10.5.19.2 Removing the Toner Suction Fan Filter
10.5.20 Motor of Main Drive Assembly
10.5.20.1 Removing the Rear Cover
10.5.20.2 Removing the DC Controller PCB
10.5.20.3 Removing the Controller Box
10.5.20.4 Removing the Main Drive Motor
10.5.21 Right Door
10.5.21.1 Removing the Right Cover (upper rear)
10.5.21.2 Removing the Right Door
10.5.22 Cautions in Handling the Left Stay
10.5.22.1 Points to Note about Handling the Left Stay

Chapter 1:1 MEAP
11.1 MEAP
11.1.1 Overview
11.1.2 MEAP Counter
11.1.3 Construction of the MEAP Platform

Chapter 12: MAINTENANCE AND INSPECTION
12.1 Periodically Replaced Parts
12.1.1 Overview
12.1.2 Reader Unit
12.1.3 Printer Unit
12.2 Durables and Consumables
12.2.1 Overview
12.2.2 Reader Unit
12.2.3 Printer Unit
12.3 Scheduled Servicing Basic Procedure
12.3.1 Scheduled Servicing Basic Procedure
12.3.2 Items of Work for Scheduled Servicing (reader unit)
12.3.3 Items of Work for Scheduled Servicing (printer unit)
12.3.4 Points to Note for Scheduled Servicing Work
12.4 Cleaning
12.4.1 Cleaning the Primary Charging Roller

Chapter 13: STANDARDS AND ADJUSTMENTS
13.1 Image Adjustments
13.1.1 Standards for Image Position
13.1.2 Checking the Image Position
13.1.3 Cassette
13.1.4 Manual Feed Tray
13.1.5 Side Paper Deck
13.2 Scanning System
13.2.1 After Replacing the CIS
13.2.2 After Replacing the Copyboard Glass
13.2.3 After Replacing the ADF Reading Glass
13.2.4 After Replacing the Reader Controller PCB or After Initializing the RAM
13.3 Laser Exposure System
13.3.1 After Replacing the Laser Scanner Unit
13.4 Image Formation System
13.4.1 After Replacing the Intermediate Transfer Unit
13.4.2 After Replacing the Intermediate Transfer Belt
13.4.3 After Replacing the Primary Transfer Roller
13.4.4 After Replacing the Drum Unit
13.4.5 After Replacing the Developing Unit (Y, M, C)
13.4.6 After Replacing the Developing Unit (Bk)
13.4.7 After Replacing the Secondary Transfer Outside Roller
13.4.8 How to replace the primary transfer roller holder
13.5 Fixing System
13.5.1 After Disassembling the Fixing Unit
13.5.2 After Replacing the Fixing Unit
13.5.3 After Replacing the Fixing Roller
13.5.4 Nip Adjustment
13.5.5 Point to Note About the Position of the Fixing Main Thermistor
13.5.6 Point to Note When Mounting the Fixing Sub Thermistor
13.5.7 Point to Note When Mounting the Fixing Thermal Switch
13.6 Electrical Components
13.6.1 After Replacing the Reader Controller PCB
13.6.2 After Replacing the DC Controller PCB
13.6.3 After Replacing the Main Controller PCB (main)
13.6.4 After Replacing the SRAM Board
13.6.5 After Replacing the HDD
13.6.6 When Replacing the HVT PCB
13.7 Pickup/Feeding System
13.7.1 Adjusting the Horizontal Registration When Replacing the Pickup Cassette
13.7.2 Adjusting the Horizontal Registration When Replacing the Duplex Unit
13.7.3 Adjust the Horizontal Registration for the Manual Feed Tray
13.7.4 Registering the Paper Width Basic Value

Chapter 14: CORRECTING FAULTY IMAGES
14.1 Making lnitial Checks
14.1.1 Checking the Site Environment
14.1.2 Checking the Paper
14.1.3 Checking the Placement of Paper
14.1.4 Checking the Durables
14.1.5 Checking the Periodically Replaced Parts
14.1.6 Checking the Units and Functional Blocks
14.1.7 Others
14.2 Test Print
14.2.1 Overview
14.2.2 Test Print TYPE
14.2.3 Selecting Test Print TYPE
14.2.4 16-Gradation (TYPE=4)
14.2.5 Full Page Halftone (TYPE=5)
14.2.6 Grid (TYPE=6)
14.2.7 MCYBk Horizontal Stripes (TYPE=10)
14.2.8 64-Gradation (TYPE=12)
14.2.9 Full Color 16-Gradation (TYPE=14)
14.3 Troubleshooting
14.3.1 Symptoms
14.3.1.1 Symptoms
14.3.2 Image Faults
14.3.2.1 Light Image / Weak Density
14.3.2.2 Foggy Image
14.3.2.3 Out of Focus
14.3.2.4 Partially Blank/Streaked
14.3.2.5 Smudged/Streaked
14.3.2.6 Poor Finxing
14.3.2.7 Faulty Color Reproduction
14.3.2.8 Stretching/Shrinking
14.3.3 Faulty Feeding
14.3.3.1 Skew Feed
14.3.3.2 Fold/Rip
14.3.4 Malfunction
14.3.4.1 No Power
14.3.4.2 Control Panel-Related
14.3.4.3 Counter Malfunction
14.3.4.4 Malfunction/Faulty Detection
14.3.4.5 Noise
14.3.4.6 User Warning Message
14.3.4.7 Other Defect
14.3.4.8 Part Breakage/Detachment
14.3.5 Printing/scanning
14.3.5.1 No Output
14.3.5.2 Installation Failure
14.3.5.3 Faulty Printing/Scanning Result
14.3.6 Network
14.3.6.1 Start-Up Failure
14.3.7 Transmission/Fax-Related
14.3.7.1 Transmission Problem
14.3.7.2 Reception Problem
14.3.7.3 Other Operational Defect
14.3.7.4 Setting/Registration Defect
14.3.8 Jam (Main Unit)
14.3.8.1 010C JAM CODE: 2nd side of duplex print is jammed because of duplex inlet sensor coming off
14.3.8.2 0111 Jam Code: Because of deformed connector pin of buffer pass unit
14.3.8.3 Jam Immediately After Pickup (heavy paper, envelope, postcard)
14.3.8.4 0A0B JAM CODE occurred upon installation of Inner 2way Tray-C1
14.3.8.5 0B00/0B01 Jam Code: Supplementary descriptions
14.3.8.6 0D91 JAM CODE: Occurred at all cassettes upon installation
14.3.8.7 Pickup Faults (pickup from the side paper deck)
14.3.8.8 Delivery Delay Jam (label sheet)
14.3.8.9 Pickup Stationary Jam
14.3.9 Jam (Document Feeder)
14.3.9.1 0094 Jam Code: Because of poor contact of Delivery Sensor (PI4) connector in DADF-L1
14.3.10 Error Code
14.3.10.1 E004-0001 Error Code: Displayed after opening/closing front panel
14.3.10.2 E010-0002 Error Code: Protection sheet for developing cylinder was not removed upon installation
14.3.10.3 E020 Error Code: Occurred upon installation because developer failed to be filled inside developing ass’y
14.3.10.4 E020 Error Code and Toner scattering inside machine: Because wrong screw is used for fixing developing ass’y
14.3.10.5 E021-000x Error Code: Developing rotary does not rotate and abnormal noise comes from motor
14.3.10.6 E021-0003 Error Code: Occurs during copy, not upon FAX reception but output becomes yellow
14.3.10.7 E026-0x01 Error Code / Message [Remaining toner is low.] / Toner scattering inside machine
14.3.10.8 E067-0100 Error Code: Because tension spring for Primary Transfer Roller comes off
14.3.10.9 E067-0100 Error Code: Because of condensation upon installation
14.3.10.10 E067-0100 Error Code: Troubleshooting upon error code indication
14.3.10.11 E070-0003 Error Code: Improper ground of ITB tension roller shaft in ITB unit
14.3.10.12 E070-0003 Error Code: Because ITB-HP sensor (PS19) is soiled
14.3.10.13 E070-0003 Error Code: ITB HP sticker is soiled
14.3.10.14 E100 / E110 Error Code: Occurred because J328 connector on DC Controller PCB was not securely fitted
14.3.10.15 E110 Error Code: Error occurred at the time when paper was delivered to transfer unit
14.3.10.16 E225-0001 Error Code: Scanning lamp came on
14.3.10.17 E315-0010/0034/0038 Error Code: Occurred during PCFAX transmission, then host machine rebooted
14.3.10.18 E351-0000 Error Code: Occasionally occurs while host machine is being energized
14.3.10.19 E400-0002 Error Code: Because ADF Controller PCB is faulty
14.3.10.20 E500 (Finisher-P1)
14.3.10.21 E505 (Finisher-P1)
14.3.10.22 E514 (Finisher-P1)
14.3.10.23 E530 (Finisher-P1)
14.3.10.24 E531 (Finisher-P1)
14.3.10.25 E532 (Finisher-P1)
14.3.10.26 E535 (Finisher-P1)
14.3.10.27 E537 (Finisher-P1)
14.3.10.28 E540 (Finisher-P1)
14.3.10.29 E540-8003 Error Code: Occurs when Upper Tray ascends because of Back End Assist Plate coming off
14.3.10.30 E542 Error Code: Saddle Delivery Tray of Saddle Finisher-Q2 not completely latched
14.3.10.31 E577 (Finisher-P1)
14.3.10.32 E602-0001 Error Code: Ticktack sound is heard upon start-up and then the error code is displayed
14.3.10.33 E602-0202 Error Code: Recovered after HD-CLEAR
14.3.10.34 E602-0402 Error Code: Recovered after HD-CLEAR
14.3.10.35 E602-0111 Error Code
14.3.10.36 E602-0113 Error Code: Because of faulty HDD
14.3.10.37 E674-0001 Error Code: Because J1210 connector is not securely fitted on Main Controller PCB (Main)
14.3.10.38 E732-0001 Error Code: Reader Controller PCB is faulty
14.3.10.39 E732-0001 Error Code: iRC3100 locks up during copying
14.3.10.40 E732-0001 Error Code: Because of poor contact of SDRAM
14.3.10.41 E747-8702 / E747-00FF Error Code: Scanning lamp keeps lighting up at its home position when making a copy
14.3.10.42 E747-0031 Error Code: Half of image becomes blank when printing list in user mode
14.3.10.43 E803-0002 Error Code: Front Door Switch (SW3) is faulty
14.3.10.44 E803-0001/E227-0004 Error Code: Poor soldering on Printer Power Supply PCB
14.3.11 FAX # Code
14.3.11.1 #751 Fax Error Code: Occurs occasionally when sending to PC
14.3.12 FAX ## Code
14.3.12.1 ##100 FAX Error Code: Occurs frequently when sending to a specific party
14.3.13 Specifications-Related FAQ
14.3.13.1 FAQ on Main Unit Specifications
14.3.13.2 FAQ on Send Specifications
14.3.13.3 FAQ on UFR Specifications
14.3.13.4 FAQ on G3FAX Specifications
14.3.13.5 FAQ on I-FAX Specifications
14.3.13.6 FAQ on Remote UI Specifications
14.3.13.7 FAQ on iR (Color) Network ScanGear Specifications
14.4 Outline of Electrical Components
14.4.1 Clutch/Solenoid
14.4.1.1 Clutch/Solenoid Table
14.4.2 Motor
14.4.2.1 Motor Table
14.4.3 Fan
14.4.3.1 Fan Table
14.4.3.2 Fan Table
14.4.4 Sensor
14.4.4.1 Sensor Table
14.4.5 Switch
14.4.5.1 Switch Table
14.4.5.2 Switch Table
14.4.6 Lamps, Heaters, and Others
14.4.6.1 Lamp
14.4.6.2 Lamp
14.4.7 PCBs
14.4.7.1 PCBs Table
14.4.7.2 PCBs Table
14.4.8 Variable Resistors (VR), Light-Emitting Diodes (LED), and Check Pins by PCB
14.4.8.1 Variable Resistors (VR), Light-Emiting Diodes (LED), and Check Pins by PCB
14.4.8.2 Points to Note about the Leakage Breaker
14.4.8.3 Main Controller PCB (main)
14.4.8.4 Main Controller PCB (main)
14.4.8.5 Main Controller PCB (sub PE-A)
14.4.8.6 Main Controller PCB (sub SJ-A)
14.4.8.7 Main Controller PCB (sub R-A)
14.4.8.8 Main Controller PCB (sub LANBAR-A)
14.4.8.9 DC Controller PCB
14.4.8.10 DC Controller PCB
14.4.8.11 High-Voltage Power Supply PCB

Chapter 15: SELF DIAGNOSIS
15.1 Error Code Table
15.1.1 Error Code
15.2 Error Code Details
15.2.1 Error Code Details Table
15.2.2 E602 in Detail (iR C3100 Series)
15.2.3 E602 in Detail (iR C3170/C2570 Series)
15.3 Error Codes (SEND)
15.3.1 Self-Diagnostic Display
15.3.2 List of Error Codes without Messages
15.4 Jam Codes
15.4.1 Jam Code (printer unit)
15.4.2 Jam Code (finisher-related)
15.4.3 Jam Code (ADF-related)
15.5 Alarm Codes
15.5.1 Alarm Code

Chapter 16: SERVICE MODE
16.1 Outline
16.1.1 Construction of Service Mode
16.1.2 Entering or selecting service modes
16.1.3 Exiting service modes
16.1.4 Backing Up Service Mode
16.1.5 Initial Screen
16.1.6 Main/intermediate Item Screen
16.1.7 Sub- Item Screen
16.2 DISPLAY (Status Display Mode)
16.2.1 COPIER
16.2.1.1 COPIER Table
16.2.2 FEEDER
16.2.2.1 FEEDER Table
16.3 I/O (I/O Display Mode)
16.3.1 Overview
16.3.2
16.3.3
16.3.4
16.3.5
16.3.6  (iR C3100 Series)
16.3.7  (iR C3170/C2570 Series)
16.4 ADJUST (Adjustment Mode)
16.4.1 COPIER
16.4.1.1 COPIER Table
16.4.2 FEEDER
16.4.2.1 FEEDER Table
16.4.3 SORTER
16.4.3.1 SORTER Table
16.5 FUNCTION (Operation/Inspection Mode)
16.5.1 COPIER
16.5.1.1 COPIER Table
16.5.2 FEEDER
16.5.2.1 FEEDER Table
16.6 OPTION (Machine Settings Mode)
16.6.1 COPIER
16.6.1.1 COPIER Table
16.6.1.2 Software Counter Specifications
16.6.2 SORTER
16.6.2.1 SORTER Table
16.6.3 BOARD
16.6.3.1 BOARD Table
16.7 TEST (Test Print Mode)
16.7.1 COPIER
16.7.1.1 COPIER Table
16.8 COUNTER (Counter Mode)
16.8.1 COPIER
16.8.1.1 COPIER Table

Chapter 17: UPGRADING
17.1 Outline
17.1.1 Outline of the Version Upgrade
17.1.2 Overview of Upgrading Work
17.1.3 Outline of the Functions and Operations
17.1.4 Outline of the Service Support Tool
17.1.5 Network Interface of the Machine with the SST in Use
17.2 Making Preparations
17.2.1 Registering the System software
17.2.2 Installing the System Software (System CD -> SST)
17.2.3 Copying the System Software (SST -> USB)
17.2.4 Making connections
17.2.5 Making Connections (SST in use)
17.2.6 Making Connections (USB device in use)
17.3 Formatting the HDD
17.3.1 Formatting All Partitions
17.3.2 Formatting the HDD for All Partition
17.3.3 Formatting Selected Partitions
17.3.4 Formatting the HDD for Selected Partitions
17.3.5 Formatting Procedure
17.3.6 Formatting Procedure
17.4 Downloading System Software
17.4.1 Batch Downloading
17.4.1.1 Outline
17.4.1.2 Downloading Procedure
17.4.2 Downloading the System Software
17.4.2.1 Outline
17.4.2.2 Outline
17.4.2.3 Downloading Procedure
17.4.2.4 Downloading Procedure
17.4.3 Downloading the RUI, and Language Module
17.4.3.1 Outline
17.4.3.2 Outline
17.4.3.3 Downloading Procedure
17.4.3.4 Downloading Procedure
17.4.4 Downloading the SDICT
17.4.4.1 Outline
17.4.4.2 Downloading Procedure
17.4.5 Downloading the MEAPCONT
17.4.5.1 Outline
17.4.5.2 Downloading Procedure
17.4.6 Downloading the KEY
17.4.6.1 Outline
17.4.6.2 Downloading Procedure
17.4.7 Downloading the TTS
17.4.7.1 Outline
17.4.7.2 Downloading Procedure
17.4.8 Downloading the BROWSER
17.4.8.1 Outline
17.4.8.2 Downloading Procedure
17.4.9 Downloading the BOOT Software
17.4.9.1 Outline
17.4.9.2 Outline
17.4.9.3 Downloading Procedure
17.4.9.4 Downloading Procedure
17.4.10 Downloading the Dcon and Rcon Software
17.4.10.1 Outline
17.4.10.2 Outline
17.4.10.3 Downloading Procedure
17.4.10.4 Downloading Procedure
17.4.11 Downloading the FAX Software
17.4.11.1 Outline
17.4.11.2 Downloading Procedure
17.4.11.3 Outline
17.4.11.4 Downloading Procedure
17.5 Uploading and Downloading Backup Data
17.5.1 Outline
17.5.2 Outline
17.5.3 Uploading Procedure
17.5.4 Downloading Procedure
17.5.5 Uploading Procedure
17.5.6 Downloading Procedure
17.6 Version Upgrade using USB
17.6.1 Overview of Menus and Functions
17.6.2 Points to Note
17.6.3 Downloading/Writing the System Software (auto)
17.6.4 Downloading the System Software (auto or selective)
17.6.5 Downloading the System Software (overwriting)
17.6.6 Formatting the HDD
17.6.7 Other Functions

Chapter 18: SERVICE TOOLS
18.1 Service Tools
18.1.1 Special Tools
18.1.2 Solvents and Oils

Number of pages: 1050.