Canon iR8500, Service Manual

Service Manual Canon imageRUNNER 8500;
This manual is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Canon.
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 imageRUNNER 8500. 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 System Configuration
1.1.2 System Configuration
1.1.3 System Configuration
1.1.4 Printing/Transmitting Accessories System Configuration
1.1.5 Printing/Transmitting Accessories System Configuration
1.1.6 Printing/Transmitting Accessories System Configuration
1.2 Product Specifications
1.2.1 Features
1.2.1.1 High Speed, High Quality
1.2.1.2 High Speed, High Quality
1.2.1.3 High Speed, High Quality
1.2.1.4 High Durability, High Reliability
1.2.1.5 High-Performance Controller, Large-Capacity Hard Disk
1.2.1.6 Ease of Operation
1.2.1.7 Ease of Operation
1.2.1.8 Large-Capacity Paper Source
1.2.1.9 Large-Capacity Paper Source
1.2.1.10 Various Delivery Processing (with options)
1.2.1.11 Various Delivery Processing (with options)
1.2.1.12 High-Level Printer Functions to Support Networking Requirements(iR105)
1.2.1.13 Support for MEAP (Multifunctional Embedded Application Platform)
1.2.2 Names of Parts
1.2.2.1 External View
1.2.2.2 External View
1.2.2.3 External View
1.2.2.4 Cross Section
1.2.2.5 Cross Section
1.2.2.6 Cross Section
1.2.2.7 External Covers
1.2.2.8 External Covers
1.2.2.9 External Covers
1.2.3 Using the Machine
1.2.3.1 Power Switch
1.2.3.2 Power Switch
1.2.3.3 Power Switch
1.2.3.4 Points to Note When Turning Off the Main Power Switch
1.2.3.5 Points to Note When Turning Off the Main Power Switch
1.2.3.6 Points to Note When Turning Off the Main Power Switch
1.2.3.7 Control Panel
1.2.3.8 Control Panel
1.2.3.9 Control Panel
1.2.3.10 Extension Mode Items
1.2.4 User Mode Items
1.2.4.1 Common Settings
1.2.4.2 Common Settings
1.2.4.3 Common Settings
1.2.4.4 Timer Settings
1.2.4.5 Adjustment/Cleaning
1.2.4.6 Adjustment/Cleaning
1.2.4.7 Report Settings
1.2.4.8 Report Settings
1.2.4.9 Copy Settings
1.2.4.10 System Settings
1.2.4.11 System Settings
1.2.4.12 Network Settings (in “System Settings”)
1.2.4.13 Copy Settings
1.2.4.14 Copy Settings
1.2.4.15 Communications Settings
1.2.4.16 Mail Box Settings
1.2.4.17 Address Book Settings
1.2.5 Safety
1.2.5.1 Safety of Laser Light
1.2.5.2 CDRH Ordinances
1.2.5.3 CDRH Ordinances
1.2.5.4 CDRH Ordinances
1.2.5.5 Handling the Laser System
1.2.5.6 Handling the Laser System
1.2.5.7 Handling the Laser System
1.2.5.8 Safety of Toner
1.2.6 Product Specifications
1.2.6.1 Sepecifications
1.2.6.2 Sepecifications
1.2.6.3 Sepecifications
1.2.7 Function List
1.2.7.1 Print speed
1.2.7.2 Print speed
1.2.7.3 Print speed
1.2.7.4 Print speed
1.2.7.5 Paper Type

Chapter 2: Installation
2.1 Making Pre-Checks
2.1.1 Selecting the site
2.1.2 Selecting the site
2.1.3 Selecting the site
2.1.4 Selecting the site
2.1.5 Points to Note Before Starting the Work
2.1.6 Points to Note Before Starting the Work
2.1.7 Points to Note Before Starting the Installation Work
2.1.8 Points to Note Before Starting the Installation Work
2.1.9 Checking the Components
2.1.10 Checking the Components
2.1.11 Checking the Components
2.1.12 Checking the Components
2.2 Unpacking and Installation
2.2.1 Unpacking
2.2.2 Unpacking
2.2.3 Mounting the Scanner System
2.2.4 Unpacking
2.2.5 Unpacking
2.2.6 Installing the Fixing Assembly
2.2.7 Mounting the Fixing Assembly
2.2.8 Mounting the Scanner System
2.2.9 Mounting the Scanner System
2.2.10 Mounting the Charging Assembly
2.2.11 Mounting the Fixing Assembly
2.2.12 Mounting the Fixing Assembly
2.2.13 Checking the Developing Assembly
2.2.14 Mounting the Charging Assembly
2.2.15 Mounting the Charging Assembly
2.2.16 Mounting the Pickup Assembly
2.2.17 Checking the Developing Assembly
2.2.18 Checking the Developing Assembly
2.2.19 Mounting the Control Panel
2.2.20 Mounting the Pickup Assembly
2.2.21 Mounting the Pickup Assembly
2.2.22 Supplying the Toner
2.2.23 Supplying the Toner
2.2.24 Supplying the Toner
2.2.25 Supplying the Toner
2.2.26 Mounting the ADF
2.2.27 Connectors
2.2.28 Installing the ADF
2.2.29 Cassette
2.2.30 Cassette
2.2.31 Cassette
2.2.32 Index Paper Attachment
2.2.33 Index Paper Attachment
2.2.34 Index Paper Attachment
2.2.35 Other attachment
2.2.36 Other attachment
2.2.37 Other attachment
2.2.38 Other attachment
2.2.39 Attaching the Labels, Setting Paper, Checking Images/Operations, and User Mode
2.2.40 Attaching the Labels, Setting Paper, Checking Images/Operations, and User Mode
2.2.41 Attaching the Labels, Setting Paper, Checking Images/Operations, and User Mode
2.2.42 Attaching the Labels, Setting Paper, Checking Images/Operations, and User Mode
2.2.43 Changing the Paper Size for the Front Deck (right, left)
2.2.44 Changing the Paper Size for the Front Deck (right, left)
2.2.45 Changing the Paper Size for the Front Deck (right, left)
2.2.46 If Not Connected to a Network
2.2.47 If Not Connected to a Network
2.2.48 If Not Connected to a Network
2.3 Checking the Connection to the Network
2.3.1 Overview
2.3.2 Overview
2.3.3 Overview
2.3.4 Using the PING Function
2.3.5 Using the PING Function
2.3.6 Using the PING Function
2.3.7 Using the PING Function
2.3.8 Making a Check Using a Remote Host Address
2.3.9 Making a Check Using a Remote Host Address
2.3.10 Making a Check Using a Remote Host Address
2.4 Troubleshooting the Network
2.4.1 Overview
2.4.2 Overview
2.4.3 Overview
2.4.4 Making a Check Using a Loopback Address
2.4.5 Making a Check Using a Loopback Address
2.4.6 Making a Check Using a Loopback Address
2.4.7 Making a Check Using a Local Host Address
2.4.8 Making a Check Using a Local Host Address
2.4.9 Making a Check Using a Local Host Address
2.5 Installing the Card Reader
2.5.1 Checking the Contents
2.5.2 Checking the Contents
2.5.3 Checking the Contents
2.5.4 Installing the Card Reader-D1
2.5.5 Installing the Card Reader-D1
2.5.6 Installing the Card Reader-D1
2.5.7 Installing the Card Reader-D1
2.6 Installing the NE Controller
2.6.1 Installing the NE Controller-A1/NE Controller-B1/Copy Data Controller-A1
2.6.2 Installing the NE Controller-A1/NE Controller-B1/Copy Data Controller-A1
2.6.3 Installing the NE Controller-A1/NE Controller-B1/Copy Data Controller-A1

Chapter 3: Basic Operation
3.1 Construction
3.1.1 Functional Construction
3.1.2 Connection Diagram of the Major PCBs(iR105)
3.1.3 Functional Construction
3.1.4 Wiring Diagram of the Major PCBs
3.1.5 Wiring Diagram of the Major PCBs
3.1.6 Wiring Diagram of the Major PCBs
3.1.7 Inputs to the DC Controller PCB (1/6)
3.1.8 Inputs to the DC Controller PCB (2/6)
3.1.9 Inputs to the DC Controller PCB (3/6)
3.1.10 Inputs to the DC Controller PCB (4/6)
3.1.11 Inputs to the DC Controller PCB (5/6)
3.1.12 Inputs to the DC Controller PCB (6/6)
3.1.13 Outputs from the DC Controller PCB (1/7)
3.1.14 Outputs from the DC Controller PCB (2/7)
3.1.15 Outputs from the DC Controller PCB (3/7)
3.1.16 Outputs from the DC Controller PCB (4/7)
3.1.17 Outputs from the DC Controller PCB (5/7)
3.1.18 Outputs from the DC Controller PCB (6/7)
3.1.19 Outputs from the DC Controller PCB (7/7)
3.1.20 Controlling the Main Motor (M1)
3.2 Basic Sequence
3.2.1 Basic Sequence of Operations (power-on)
3.2.2 Basic Sequence of Operations (power-on)

Chapter 4: Main Controller
4.1 Construction
4.1.1 Functional Construction(iR105)
4.1.2 Construction/Function
4.1.3 Construction/Function
4.2 Construction of the Electrical Circuitry
4.2.1 Outline(iR105)
4.2.2 Main Controller PCB
4.2.3 Main Controller PCB(iR105)
4.2.4 Hard Disk Drive(iR105)
4.3 Start-Up Sequence
4.3.1 Outline(iR105)
4.3.2 Overview
4.3.3 Start-Up Sequence(iR105)
4.3.4 Start-Up Sequence
4.3.5 Start-Up Sequence
4.3.6 Construction of the System Software(iR105)
4.3.7 E602 in Detaill
4.4 Shut-Down Sequence
4.4.1 Overview
4.4.2 Flow of Operation
4.5 Image Processing
4.5.1 Outline(iR105)
4.5.2 Overview of the Image Flow
4.5.3 Input Image Processing(iR105)
4.5.4 Construction of the Image Processing Module
4.5.5 Construction of the Image Processing Module
4.5.6 Controlling the Image Memory(iR105)
4.5.7 Reader Unit Input Image Processing
4.5.8 Output Image Processing(iR105)
4.5.9 Compression/Extension/Editing Block
4.5.10 Compression/Extension/Editing Block
4.5.11 Printer unit Output Image Processing
4.6 Flow of Image Data
4.6.1 Flow of Image Data for the Copy Function
4.6.2 Flow of Image Data for the Box Function
4.6.3 Flow of Image Data for the SEND Function
4.6.4 Flow of Image Data for the PDL Function
4.7 Parts Replacement Procedure
4.7.1 Main Controller Box
4.7.1.1 Removing the Rear Cover
4.7.1.2 Removing the Rear Cover
4.7.1.3 Removing the Rear Cover
4.7.1.4 Removing the System Connector Cover
4.7.1.5 Removing the Main Controller Box
4.7.2 Main Controller PCB
4.7.2.1 Removing the Rear Cover
4.7.2.2 Removing the Rear Cover
4.7.2.3 Removing the Rear Cover
4.7.2.4 Removing the Main Controller Box Cover
4.7.2.5 Removing the Differential PCB/Differential PCB Relay Board
4.7.2.6 Removing the Pixel/Line Conversion PCB
4.7.2.7 Removing the Main Controller PCB
4.7.2.8 When Replacing the Main Controller PCB
4.7.3 Boot ROM
4.7.3.1 Removing the Rear Cover
4.7.3.2 Removing the Rear Cover
4.7.3.3 Removing the Rear Cover
4.7.3.4 Removing the Main Controller Box Cover
4.7.3.5 Removing the Boot ROM
4.7.4 Differential PCB
4.7.4.1 Removing the Rear Cover
4.7.4.2 Removing the Rear Cover
4.7.4.3 Removing the Main Controller Box Cover
4.7.4.4 Removing the Differential PCB/Differential PCB Relay Board
4.7.5 HDD
4.7.5.1 Points to Note on Handling the Hard Disk
4.7.5.2 Removing the Rear Cover
4.7.5.3 Removing the Rear Cover
4.7.5.4 Removing the Rear Cover
4.7.5.5 Removing the Main Controller Box Cover
4.7.5.6 Removing the Differential PCB/Differential PCB Relay Board
4.7.5.7 Removing the Hard Disk
4.7.5.8 Points to Note on Attaching the Hard Disk
4.7.5.9 When Replacing the HDD
4.7.6 Controller Fan
4.7.6.1 Removing the Rear Cover
4.7.6.2 Removing the Rear Cover
4.7.6.3 Removing the Rear Cover
4.7.6.4 Removing the System Connector Cover
4.7.6.5 Removing the Main Controller Box Cover
4.7.6.6 Removing the Controller Fan

Chapter 5: Original Exposure System
5.1 Construction
5.1.1 Outline of the Original Exposure System(iR105)
5.1.2 Outline
5.1.3 Major Components
5.1.4 Arrangement of PCBs
5.1.5 Outline
5.1.6 Major Components
5.1.7 Arrangement of PCBs
5.2 Basic Sequence
5.2.1 Basic Sequence of Operations
5.2.2 Book Mode, 1 Original, Copyboard Closed
5.2.3 Book Mode, 1 Original, Copyboard Cover Open
5.3 Various Control
5.3.1 Controlling the Scanner Drive System
5.3.1.1 Outline
5.3.1.2 Controlling the Scanner Motor
5.3.1.3 Preventing Overheating of the Scanner Motor
5.3.1.4 Outline
5.3.1.5 Controlling the Scanner Motor
5.3.2 Enlargement/Reduction
5.3.2.1 Changing the Reproduction Ratio in Main Scanning Direction
5.3.2.2 Enlargement/Reduction(iR105)
5.3.2.3 Changing the Reproduction Ratio in Sub Scanning Direction
5.3.2.4 Changing the Reproduction Ratio in Main Scanning Direction
5.3.2.5 Changing the Reproduction Ratio in Sub Scanning Direction
5.3.3 Controlling the Scanning Lamp
5.3.3.1 Outline
5.3.3.2 Stabilizing the Scanning Lamp(iR105)
5.3.3.3 Controlling the Temperature by a Fluorescent Lamp Heater
5.3.3.4 Controlling Pre-Heat Voltage
5.3.3.5 Initial Activation
5.3.3.6 Detecting an Error
5.3.3.7 Outline
5.3.3.8 Scanning Lamp
5.3.3.9 Turning On/Off the Lamp
5.3.3.10 Detecting an Error
5.3.4 Detecting the Size of Originals
5.3.4.1 Outline
5.3.4.2 Detecting the State (open/closed) of the ADF
5.3.4.3 Outline
5.3.4.4 Points of Detection
5.3.4.5 Outline of Detection
5.3.4.6 Book Mode, 1 Original, Copyboard Cover Open
5.3.4.7 Book Mode, 1 Original, Copyboard Cover Close
5.3.5 Dirt Sensor Control
5.3.5.1 Detecting Dust in Stream Reading
5.4 Parts Replacement Procedure
5.4.1 Reader Unit
5.4.1.1 Removing the Reader Unit
5.4.1.2 Sliding the Reader Unit
5.4.2 CCD Unit
5.4.2.1 Removing the CCD Unit
5.4.2.2 Removing the CCD Unit
5.4.2.3 Removing the CCD Unit
5.4.2.4 When Replacing the CCD Unit
5.4.2.5 When Replacing the CCD Unit
5.4.2.6 When Replacing the CCD/AP Unit
5.4.2.7 Points to Note when Replacing the CCD Unit
5.4.3 Standard White Plate
5.4.3.1 Removing the Standard White Plate
5.4.3.2 Removing the Standard White Plate
5.4.3.3 When Replacing the Standard White Plate
5.4.3.4 When Replacing the Standard White Plate
5.4.4 Scanning Lamp
5.4.4.1 Remove the Scanning Lamp/Scanning Lamp Heater
5.4.4.2 Remove the Scanning Lamp/Scanning Lamp Heater
5.4.4.3 Removing the Scanning Lamp
5.4.4.4 Points to Note When Replacing the Scanning Lamp
5.4.4.5 Points to Note When Replacing the Scanning Lamp
5.4.4.6 Points to Note When Replacing the Scanning Lamp
5.4.4.7 When Replacing the Scanning Lamp
5.4.4.8 When Replacing the Scanning Lamp
5.4.4.9 After Replacing the Scanning Lamp
5.4.5 Reader Controller PCB
5.4.5.1 Removing the Reader Controller PCB
5.4.5.2 Removing the Reader Controller PCB Unit
5.4.5.3 Removing the Reader Controller PCB
5.4.5.4 Removing the Reader Controller PCB
5.4.5.5 When Replacing the Reader Controller PCB
5.4.5.6 Removing the Reader Controller PCB Unit
5.4.5.7 Points to Note When Replacing the reader controller PCB
5.4.5.8 Points to Note When Replacing the reader controller PCB
5.4.6 Inverter PCB
5.4.6.1 Removing the Inverter PCB
5.4.6.2 Removing the Inverter PCB
5.4.6.3 Removing the Inverter PCB
5.4.7 Light Intensity Control PCB
5.4.7.1 Removing the Light Adjustment PCB
5.4.7.2 Removing the Light Adjustment PCB
5.4.8 Transformer PCB
5.4.8.1 Removing the Transformer Unit
5.4.8.2 Removing the Transformer Unit
5.4.8.3 Removing the Transformer PCB
5.4.8.4 Removing the Transformer PCB(iR105)
5.4.9 Original Orientation Detection PCB
5.4.9.1 Removing the Original Orientation Detection PCB
5.4.9.2 Removing the Original Orientation Detection PCB
5.4.10 Fuse PCB
5.4.10.1 Removing the Fuse PCB
5.4.11 Scanner Motor
5.4.11.1 Removing the Scanner Motor
5.4.11.2 Removing the Scanner Motor
5.4.11.3 Removing the Scanner Motor
5.4.11.4 Mounting the Scanner Motor
5.4.12 Copyboard Cover Open/Close Sensor
5.4.12.1 Removing the Copyboard Cover Sensor
5.4.13 Original Size Sensor
5.4.13.1 Removing the Original Size Sensor 1/2
5.4.13.2 Removing the Original Size Sensor 1/2
5.4.13.3 Removing the Original Size Sensor
5.4.13.4 Removing the Original Size Sensor 3/4
5.4.13.5 Removing the Original Size Sensor 3/4
5.4.14 Scanner Home Position Sensor
5.4.14.1 Removing the HP Sensor
5.4.14.2 Removing the Scanner Home Position Sensor
5.4.14.3 Removing the Scanner Home Position Sensor
5.4.15 Copyboard Glass Sensor
5.4.15.1 Removing the Copyboard Glass Sensor
5.4.15.2 Removing the Copyboard Glass Sensor
5.4.16 Image Leading Edge Sensor
5.4.16.1 Removing the Image Leading Edge Sensor
5.4.16.2 Removing the Image Leading Edge Sensor
5.4.17 Scanner Drive Cable
5.4.17.1 Adjusting the Tension of the Scanner Drive Cable
5.4.17.2 Adjusting the Tension of the Scanner Drive Cable
5.4.17.3 Removing the Scanner System Drive Cable
5.4.17.4 Removing the No
5.4.17.5 Removing the No
5.4.17.6 Routing the Scanner Drive Cable
5.4.17.7 Positioning the No

Chapter 6: Image Processing System
6.1 Outline
6.1.1 Outline of the Image Processing System
6.1.2 Outline
6.2 Analog Image Processing
6.2.1 Analog Image Processing
6.2.2 Outline
6.2.3 Driving the CCD
6.2.4 Gain Correction and Offset Correction of the CCD Output
6.2.5 A/D Conversion of the CCD Output
6.2.6 4-Channel High-Speed Reading CCD
6.2.7 CCD Adjustment
6.3 Digital Image Processing
6.3.1 Digital Image Processing
6.3.2 Outline
6.3.3 Detecting the Orientation of Originals
6.3.4 Shading Correction
6.3.5 Auto Density Adjustment (AE)

Chapter 7: Laser Exposure
7.1 Construction
7.1.1 Outline of the Laser Exposure System
7.1.2 Outline of the Laser Exposure System
7.2 Basic Sequence
7.2.1 Basic Sequence of Operations (laser exposure system)
7.2.2 Basic Sequence
7.3 Various Controls
7.3.1 Controlling the Laser Activation Timing
7.3.1.1 Flow of the BD Signal
7.3.2 Controlling the Intensity of Laser Light
7.3.2.1 Outline
7.3.2.2 Controlling Laser Activation
7.3.2.3 Controlling the Laser Intensity
7.3.3 Controlling the Laser Scanner Motor
7.3.3.1 Outline
7.4 Parts Replacement Procedure
7.4.1 Laser Scanner Unit
7.4.1.1 Removing the Laser Unit
7.4.1.2 Removing the Laser Unit
7.4.1.3 Removing the Laser Unit
7.4.1.4 Removing the Laser Unit
7.4.1.5 Points to Note When Replacing the Laser Unit
7.4.1.6 Points to Note When Replacing the Laser Unit
7.4.2 BD Unit
7.4.2.1 Removing the BD Unit
7.4.2.2 Removing the BD Unit

Chapter 8: Image Formation
8.1 Construction
8.1.1 Outline
8.1.2 Outline of the Image Formation System(iR105)
8.1.3 Major Components
8.1.4 Pre-Transfer Exposure LED
8.1.5 Pre-Transfer Exposure LED
8.1.6 Pre-Transfer Exposure LED
8.1.7 Pre-Transfer Exposure LED
8.1.8 Addition of the Developing Fan(iR105)
8.2 Basic Sequence
8.2.1 Basic Sequence
8.2.2 Basic Sequence
8.3 Potential Control
8.3.1 Outline
8.3.2 Basic Sequence
8.3.3 Basic Sequence
8.3.4 Determining the Optimum Grid Bias
8.3.5 Grid Bias Corrective Control
8.3.6 Determining the Optimum Laser Output
8.3.7 Laser Output Corrective Control
8.3.8 Determining the Optimum Developing Bias
8.3.9 Potential Control for Transparency Mode
8.3.10 Target Potential Correction in Each Mode
8.3.11 Target Potential Correction in Each Mode
8.4 Charging Mechanism
8.4.1 Primary Charging Mechanism
8.4.1.1 Outline
8.4.1.2 Primary Charging Assembly Cleaning Mechanism
8.4.1.3 Others
8.4.2 Dust-Collecting Roller Bias
8.4.2.1 Outline
8.4.3 Pre-Transfer Charging Mechanism
8.4.3.1 Outline
8.4.3.2 Controlling the Output to Suit the Environment (fuzzy control)
8.4.3.3 Pre-Transfer Charging Assembly Cleaning Mechanism
8.4.3.4 Others
8.5 Drum Cleaner Unit
8.5.1 Outline
8.5.2 Outline
8.5.3 Detecting the Waste Toner (case full condition)
8.6 Developing Assembly
8.6.1 Outline
8.6.2 Controlling the Developing Assembly
8.6.3 Controlling the Toner Cartridge Drive Mechanism
8.6.4 Controlling the Developing Bias
8.6.5 Detecting the Toner Level and Controlling the Toner Supply Mechanism
8.7 Transfer Mechanism
8.7.1 Transfer Guide Bias
8.7.1.1 Outline
8.7.1.2 Controlling the Output to Suit the Environment
8.7.2 Transfer Charging Mechanism
8.7.2.1 Outline
8.7.2.2 Controlling the Output to Suit the Environment (fuzzy control)
8.7.2.3 Correcting the Output at the Trailing Edge of Paper
8.7.2.4 Transfer Charging Assembly Cleaning Mechanism
8.7.2.5 Others
8.8 Separation Mechanism
8.8.1 Separation Charging Mechanism
8.8.1.1 Outline
8.8.1.2 Correcting the Output to Suit the Environment and the Toner Deposit
8.8.1.3 Correcting the Output upon Detection of Leakage
8.8.1.4 Others
8.9 Parts Replacement Procedure
8.9.1 Process Unit
8.9.1.1 Removing the Process Unit
8.9.1.2 Removing the Process Unit
8.9.1.3 Mounting the Process Unit
8.9.1.4 Mounting the Process Unit
8.9.2 Pre-Exposure Lamp
8.9.2.1 Removing the Pre-Exposure Lamp Unit
8.9.3 Primary Charging Assembly
8.9.3.1 Removing the Primary Charging Assembly
8.9.4 Pre-Transfer Charging Assembly
8.9.4.1 Removing the Pre-Transfer Charging Assembly
8.9.5 Photosensitive Drum
8.9.5.1 Points to Note When Handling the Photosensitive Drum
8.9.5.2 Points to Note When Handling the Photosensitive Drum
8.9.5.3 Removing the Photosensitive Drum
8.9.5.4 Removing the Photosensitive Drum
8.9.6 Drum Cleaner Unit
8.9.6.1 Construction
8.9.6.2 Construction
8.9.6.3 Removing the Cleaning Blade
8.9.6.4 Removing the Cleaning Blade
8.9.6.5 Mounting the Cleaning Blade
8.9.6.6 Mounting the Cleaning Blade
8.9.6.7 Removing the Blade Vibrating Unit
8.9.7 Photosensitive Drum Heater
8.9.7.1 Replacing the Photosensitive Drum Heater
8.9.8 Developing Assembly
8.9.8.1 Removing the Developing Assembly
8.9.8.2 Removing the Hopper
8.9.9 Developing Cylinder
8.9.9.1 Removing the Developing Cylinder
8.9.10 Developing Blade
8.9.10.1 Removing the Blade Unit
8.9.10.2 Mounting the Blade
8.9.11 Developing Cylinder Deceleration Clutch
8.9.11.1 Remove the Developing Cylinder Deceleration Clutch
8.9.11.2 Remove the Developing Cylinder Deceleration Clutch
8.9.12 Developing Cylinder Clutch
8.9.12.1 Remove the Developing Cylinder Clutch
8.9.12.2 Remove the Developing Cylinder Clutch
8.9.13 Transfer/Separation Charging Assembly
8.9.13.1 Removing the Transfer/Separation Charging Assembly
8.9.14 Pre-Transfer Exposure LED
8.9.14.1 Removing the Pre-Transfer Exposure LED
8.9.14.2 Removing the Pre-Transfer Exposure LED
8.9.15 Separation Claw/Separation Claw Drive Assembly
8.9.15.1 Separation Claw/Separation Claw Drive Assembly
8.9.16 Potential Sensor
8.9.16.1 Removing the Potential Sensor Unit
8.9.17 Dust-Collecting Roller
8.9.17.1 Removing the Dust-Collecting Roller
8.9.18 Charging Wire
8.9.18.1 Outline
8.9.18.2 Outline
8.9.18.3 Removing the Wire Cleaner for the Primary Charging Assembly
8.9.18.4 Removing the Wire Cleaner for the Primary Charging Assembly
8.9.18.5 Stringing the Charging Wire
8.9.18.6 Stringing the Charging Wire
8.9.18.7 Stringing the Grid of the Primary Charging Assembly
8.9.18.8 Stringing the Grid of the Primary Charging Assembly
8.9.18.9 Adjusting the Height of the Charging Wire
8.9.18.10 Adjusting the Height of the Charging Wire

Chapter 9: Pickup/Feeding System
9.1 Construction
9.1.1 Outline of the Pickup/Feeding System(iR105)
9.1.2 Specifications and Construction
9.1.3 Optical Sensors(iR105)
9.1.4 Arrangement of Rollers and Sensors
9.1.5 Arrangement of Rollers and Sensors
9.1.6 Control System
9.1.7 Index Paper Attachment
9.1.8 Controlling the Pickup Motor (M2)
9.2 Basic Sequence
9.2.1 Right Deck
9.2.2 Pickup from the front deck
9.2.3 Pickup from the cassette 4
9.2.4 Pickup from the cassette 4
9.3 Detecting Jams
9.3.1 Jam Detection Outline
9.3.1.1 Outline
9.3.1.2 Outline
9.3.2 Delay Jams
9.3.2.1 Cassette Pickup (Right deck, Left deck, cassette 3, 4)
9.3.2.2 Cassette Pickup (Right deck, Left deck, cassette 3, 4)
9.3.2.3 Other Delay Jams
9.3.2.4 Other Delay Jams
9.3.2.5 Other Delay Jams
9.3.3 Stationary Jams
9.3.3.1 Common Stationary Jams
9.3.3.2 Common Stationary Jams
9.3.3.3 Stationary Jam at Power-On
9.4 Cassette Pick-Up Unit
9.4.1 Outline
9.4.2 Detecting the Presence/Absence of Paper
9.4.3 Detecting the Level of Paper
9.4.4 Cassette 3/4
9.4.5 Markings on the Width Guide Rail
9.4.6 Paper Size
9.5 Manual Feed Pickup Unit
9.5.1 Pickup Operation
9.5.2 Detecting the Paper Size
9.6 Deck
9.6.1 Outline
9.6.2 Lifter Limiter (deck right/left)
9.6.3 Detecting the Presence/Absence of Paper
9.6.4 Detecting the Level of Paper
9.6.5 Cassette Deck Right/Left
9.7 Registration Unit
9.7.1 Outline
9.7.2 Control System
9.7.3 Sequence of Operations (registration brake)
9.8 Duplex Feeding Unit
9.8.1 Copying on the First Side
9.8.2 Printing on the First Side
9.8.3 Copying on the Second Side
9.8.4 Printing on the Second Side
9.8.5 Sequence of Operations
9.8.6 Sequence of Operations
9.8.7 Controlling the reversal motor (M11)
9.8.8 Controlling the duplexing feeder motor (M12)
9.8.9 No-Stacking Operation
9.8.10 No-Stacking Operation
9.8.11 Detecting the Horizontal Registration Position
9.8.12 Controlling the Horizontal Registration Motor (M15)
9.9 Delivery
9.9.1 Reversal Delivery
9.9.2 Reversal Delivery
9.10 Parts Replacement Procedure
9.10.1 Cassette Pickup Assembly
9.10.1.1 Removing the Cassette 3 Pickup Assembly
9.10.1.2 Removing the Cassette 4 Pickup Assembly
9.10.1.3 Removing the Vertical Path 3/4 Sensor and the Cassette 3/4 Pickup Sensor
9.10.2 Cassette Lifter Motor
9.10.2.1 Removing the Lifter Motor (M16/M17) of the Cassette (3/4)
9.10.3 Front Deck Pickup Assembly
9.10.3.1 Removing the Front Deck (right)
9.10.3.2 Removing the Pickup Assembly of the Front Deck (left)
9.10.4 Left Deck Pickup Sensor
9.10.4.1 Removing the Left Deck Pickup Sensor
9.10.5 Right Deck Pickup Sensor
9.10.5.1 Removing the Right Deck Feed Sensor/Right Deck Pickup Sensor
9.10.6 Manual Tray Assembly
9.10.6.1 Removing the Manual Feed Tray Unit
9.10.6.2 Removing the Manual Feed Tray Unit
9.10.6.3 Fitting the Side Guide Timing Belt for the Manual Feed Tray Assembly(iR105)
9.10.6.4 Fitting the Side Guide Timing Belt for the Manual Feed Tray Assembly
9.10.7 Manual Pickup Roller
9.10.7.1 Removing the Pickup Roller
9.10.7.2 Mounting the Pickup Roller
9.10.8 Manual Feed Roller
9.10.8.1 Removing the Feeding Roller
9.10.8.2 Orientation of the Feeding Roller
9.10.8.3 Removing the Manual Feed Roller
9.10.8.4 Mounting the Manual Feed Roller
9.10.9 Manual Separation Roller
9.10.9.1 Removing the Separation Roller
9.10.10 Manual Feed Tray sensor
9.10.10.1 Removing the Manual Feed Tray Paper Sensor
9.10.10.2 Removing the Manual Feed Tray Paper Sensor
9.10.11 Registration Roller
9.10.11.1 Removing the Registration Roller
9.10.12 Pre-Registration Roller
9.10.12.1 Removing the Pre-Registration Roller
9.10.13 Registration Clutch
9.10.13.1 Removing the Registration Clutch
9.10.13.2 Removing the Registration Clutch
9.10.14 Registration Brake Clutch
9.10.14.1 Removing the Registration Brake Clutch
9.10.14.2 Removing the Registration Brake Clutch
9.10.15 Fixing/Feed Unit
9.10.15.1 Removing the Fixing/Feed Unit
9.10.15.2 Removing the Fixing/Feed Unit
9.10.16 Feeding Roller
9.10.16.1 Removing the Feeding Roller
9.10.16.2 Orientation of the Feeding Roller of the Deck/Cassette Pickup Assembly
9.10.17 Vertical Path Roller
9.10.17.1 Removing the Vertical Path Roller 1/3/4
9.10.17.2 Removing the Vertical Path Roller 1/3/4
9.10.17.3 Removing the Vertical Path Roller 2
9.10.17.4 Removing the Vertical Path Roller 2
9.10.18 Fixing Feeding Unit Releasing Lever Sensor
9.10.18.1 Removing the Fixing Feeding Unit Releasing lever Sensor
9.10.19 Feeding Belt
9.10.19.1 Removing the Feeding Belt
9.10.20 Duplexing Unit
9.10.20.1 Removing the Duplexing Unit
9.10.20.2 Removing the Reversal Motor
9.10.20.3 Removing the Reversal Motor
9.10.20.4 Removing the Duplex Left Feed Motor
9.10.20.5 Removing the Lower Feed Motor
9.10.20.6 Removing the Reversing Flapper Solenoid
9.10.20.7 Removing the Duplex Right Feed Motor
9.10.20.8 Removing the Left Deck Feed Sensor
9.10.20.9 Removing the Horizontal Registration Motor
9.10.20.10 Removing the Deck (left) Draw- Out Clutch/Lower Feeder Middle Clutch
9.10.20.11 Removing the Lower Feeding Right Clutch
9.10.20.12 Removing the Pre-Confluence Sensor
9.10.20.13 Removing the Post-Confluence Sensor
9.10.20.14 Removing the Front Deck (lifter) Draw-Out Sensor
9.10.20.15 Removing the Horizontal Registration Sensor
9.10.21 Separation Roller
9.10.21.1 Removing the Separation Roller
9.10.21.2 Orientation of the Separation Roller

Chapter 10: Fixing System
10.1 Construction
10.1.1 Outline
10.1.2 Outline
10.1.3 Outline
10.1.4 Outline
10.1.5 Major Components
10.1.6 Fixing Drive System Outline
10.1.7 Controlling the Fixing Roller Drive Mechanism
10.1.8 Controlling the Cleaning Belt Drive Mechanism
10.1.9 Controlling the Thermistor Reciprocating Mechanism
10.1.10 Controlling the Upper Separation Claw Reciprocating Mechanism
10.2 Basic Sequence
10.2.1 Basic Sequence
10.2.2 Basic Sequence
10.2.3 Basic Sequence
10.3 Various Control Mechanisms
10.3.1 Controlling the Fixing Roller Temperature
10.3.1.1 Down Sequence Control
10.3.1.2 Down Sequence Control
10.3.1.3 Down Sequence Control
10.3.1.4 Down Sequence Control
10.3.1.5 Fixing Temperature Control(iR105)
10.3.1.6 Transparency Mode
10.3.1.7 Transparency Mode
10.3.1.8 Transparency Mode
10.3.1.9 Thick Paper Mode
10.3.1.10 Thick Paper Mode
10.3.1.11 Thick Paper Mode
10.3.1.12 Thick Paper Mode
10.3.1.13 Thick Paper Mode
10.3.1.14 Power Save Mode
10.3.1.15 Power Save Mode
10.4 Protective Functions
10.4.1 Detecting an Error
10.4.2 Detecting an Error
10.5 Parts Replacement Procedure
10.5.1 Fixing Unit
10.5.1.1 Removing the Fixing Assembly
10.5.2 Upper Fixing Roller
10.5.2.1 Removing the Fixing Upper Roller
10.5.2.2 Removing the Fixing Upper Roller
10.5.2.3 Mounting the Fixing Upper Roller
10.5.2.4 Mounting the Fixing Upper Roller
10.5.3 Lower Fixing Roller
10.5.3.1 Removing the Lower Fixing Roller
10.5.3.2 Adjusting the Lower Roller Pressure (nip width)
10.5.3.3 Adjusting the Lower Roller Pressure (nip)
10.5.4 External Delivery Roller
10.5.4.1 Removing the External Delivery Roller
10.5.4.2 Removing the External Delivery Roller
10.5.5 Internal Delivery Roller
10.5.5.1 Removing the Internal Delivery Roller
10.5.5.2 Removing the Internal Delivery Roller
10.5.6 Main Thermistor
10.5.6.1 Removing the Main Thermistor
10.5.6.2 Removing the Main Thermistor
10.5.6.3 Mounting the Main Thermistor
10.5.6.4 Mounting the Main Thermistor
10.5.7 Sub Thermistor
10.5.7.1 Removing the Sub Thermistor
10.5.7.2 Removing the Sub Thermistor
10.5.8 Thermal Switch
10.5.8.1 Removing the Thermal Switch Unit
10.5.8.2 Removing the Thermal Switch Unit
10.5.8.3 Mounting the Thermal Switch Unit
10.5.8.4 Mounting the Thermal Switch Unit
10.5.9 Fixing Heater
10.5.9.1 Removing the Main/Sub Heater
10.5.9.2 Removing the Main/Sub Heater
10.5.9.3 Mounting the Main/Sub Heater
10.5.9.4 Mounting the Main/Sub Heater
10.5.9.5 Points to Note When Mounting the Fixing Heater
10.5.9.6 Points to Note When Mounting the Fixing Heater
10.5.10 Fixing Cleaning Belt
10.5.10.1 Removing the Fixing Cleaning Belt
10.5.10.2 Mounting the Fixing Cleaning Belt
10.5.11 Claw Jam Sensor
10.5.11.1 Removing the Claw Jam Sensor
10.5.11.2 Removing the Delivery Speed Switching Clutch
10.5.12 External Delivery Sensor
10.5.12.1 Remove the External Delivery Sensor
10.5.12.2 Remove the External Delivery Sensor
10.5.13 Internal Delivery Sensor
10.5.13.1 Removing the Internal Delivery Sensor
10.5.13.2 Removing the Internal Delivery Sensor
10.5.14 Reversal Sensor
10.5.14.1 Removing the Reversal Sensor
10.5.15 Fixing/Feeding Outlet Sensor
10.5.15.1 Remove the Fixing/Feeder Unit Outlet Sensor
10.5.15.2 Remove the Fixing/Feeder Unit Outlet Sensor
10.5.16 Delivery Speed Switch Clutch
10.5.16.1 Removing the Delivery Speed Switching Clutch
10.5.16.2 Removing the Delivery Speed Switching Clutch
10.5.17 Upper Separation Claw
10.5.17.1 Removing the Upper Separation Claw
10.5.18 Lower Separation Claw
10.5.18.1 Removing the Lower Separation Claw

Chapter 11: External and Controls
11.1 Control Panel
11.1.1 Outline
11.1.2 Outline
11.2 Counters
11.2.1 Soft Counters
11.2.2 Soft Counters
11.3 Fans
11.3.1 Changes Made to Externals/Auxiliary Controls(iR105)
11.3.2 Fans
11.3.3 Fans
11.3.4 Fans
11.3.5 Fans
11.3.6 Sequence of Fan Operation
11.3.7 Sequence of Fan Operation
11.3.8 Sequence of Fan Operation
11.4 Power Supply System
11.4.1 Power Supply
11.4.1.1 Outline of the Power Supply
11.4.2 Protection Function
11.4.2.1 Protective Functions
11.4.3 Backup Battery
11.4.3.1 Backup Battery
11.4.4 Energy-Saving Function
11.4.4.1 Outline
11.4.4.2 Outline
11.4.4.3 Outline
11.4.4.4 Outline
11.4.4.5 Power Supply Mode
11.4.4.6 Standby Mode (normal operation)
11.4.4.7 Power Save Mode
11.4.4.8 Low Power Mode
11.4.4.9 Sleep Mode
11.4.4.10 OFF Mode(iR105)
11.4.4.11 Power Supply OFF Mode
11.5 Parts Replacement Procedure
11.5.1 Left Pickup Drive Assembly
11.5.1.1 Removing the Left Pickup Drive Assembly
11.5.2 Pickup Drive Assembly
11.5.2.1 Removing the Pickup Drive Assembly
11.5.3 Developing Drive Assembly
11.5.3.1 Removing the Developing Drive Assembly
11.5.4 Vertical Path Drive Assembly
11.5.4.1 Removing the Vertical Path Drive Assembly
11.5.5 Waste Toner Drive Assembly
11.5.5.1 Removing the Waste Toner Drive Assembly
11.5.6 Multifeeder Pickup Drive Assembly
11.5.6.1 Removing the Multifeeder Pickup Drive Assembly
11.5.7 Lifter Drive Assembly
11.5.7.1 Removing the Lifter Drive Assembly (right deck)
11.5.7.2 Removing the Lifter Drive Assembly (left deck)
11.5.8 Main Drive Assembly
11.5.8.1 Removing the Main Drive Assembly
11.5.9 Drum Drive Assembly
11.5.9.1 Removing the Drum Drive Assembly
11.5.9.2 Removing the Drive Assembly
11.5.10 Cassette Pickup Drive Assembly
11.5.10.1 Removing the Cassette Pickup Drive Assembly
11.5.10.2 Removing the Cassette Pickup Drive Assembly
11.5.11 Toner Cartridge Drive Assembly
11.5.11.1 Removing the Toner Cartridge Drive Assembly
11.5.12 Power Supply Unit
11.5.12.1 Removing the Power Supply Unit
11.5.12.2 Removing the Power Supply Unit
11.5.13 Control Panel
11.5.13.1 Removing the Control Panel Unit
11.5.13.2 Removing the Control Panel Unit
11.5.13.3 Removing the Control Panel Unit
11.5.13.4 Removing the Control Panel Unit
11.5.14 Control Panel Support Unit
11.5.14.1 Removing the Control Panel Support Unit
11.5.15 Cover Switch Assembly
11.5.15.1 Removing the Front Cover Switch Assembly
11.5.15.2 Removing the Front Cover Switch Assembly
11.5.16 Manual Feed Tray Switch Assembly
11.5.16.1 Removing the Manual Feed Tray Switch Assembly
11.5.16.2 Removing the Manual Feed Tray Switch Assembly
11.5.17 Drum Heater Switch Assembly
11.5.17.1 Removing the Drum Heater Switch Assembly
11.5.17.2 Removing the Drum Heater Switch Assembly
11.5.18 DC Controller PCB
11.5.18.1 Removing the DC Controller PCB
11.5.18.2 Removing the DC Controller PCB
11.5.18.3 When Replacing the DC Controller PCB
11.5.18.4 When Replacing the DC Controller PCB
11.5.19 Control Panel Controller PCB
11.5.19.1 Removing the Control Panel Controller (CPU) PCB
11.5.19.2 Removing the Control Panel Controller (CPU) PCB
11.5.20 Control Panel Inverter PCB
11.5.20.1 Removing the Control Panel Inverter PCB
11.5.20.2 Removing the Control Panel Inverter
11.5.21 Control Panel PCB
11.5.21.1 Removing the Control Panel PCB
11.5.21.2 Removing the Control Panel PCB
11.5.21.3 Removing the Control Panel PCB
11.5.22 AC Driver PCB
11.5.22.1 Removing the AC Driver PCB
11.5.22.2 Removing the AC Driver PCB
11.5.23 All Night Power Supply PCB
11.5.23.1 Removing the All Night Power Supply PCB
11.5.23.2 Removing the All Night Power Supply PCB
11.5.24 Relay PCB
11.5.24.1 Removing the Relay PCB
11.5.24.2 Removing the Relay PCB
11.5.25 High-Voltage Transformer (AC)
11.5.25.1 Removing the High-Voltage Transformer Assembly (AC)
11.5.25.2 Removing the High-Voltage Transformer Assembly (AC)
11.5.26 HV-AC PCB
11.5.26.1 Removing the HV-AC PCB
11.5.26.2 Removing the HV-AC PCB
11.5.27 HV-DC PCB
11.5.27.1 Removing the HV-DC PCB
11.5.27.2 Removing the HV-DC PCB
11.5.27.3 When Replacing the HV-DC PCB
11.5.27.4 When Replacing the HV-DC PCB
11.5.28 Fixing Heat Discharge Fan
11.5.28.1 Removing the Fixing Heat Discharge Fan (FM2)
11.5.29 Scanner Cooling Fan
11.5.29.1 Removing the Scanner Motor Cooling Fan (FM18)
11.5.30 Stream Reading Fan
11.5.30.1 Removing the Stream Reading Fan (FM4)
11.5.31 Laser Cooling Fan
11.5.31.1 Removing the Laser Motor Cooling Fan (FM1)
11.5.31.2 Removing the Laser Cooling Fan 2 (FM5)
11.5.31.3 Removing the Laser Cooling Fan 1 (FM3)
11.5.31.4 Removing the Laser Cooling Fan 2 (FM5)
11.5.32 De-Curling Fan
11.5.32.1 Removing the Curl-Reducing Fan (FM6)
11.5.32.2 Removing the Curl-Reducing Fan (FM6)
11.5.33 Drum Fan
11.5.33.1 Removing the Drum Fan (FM8)
11.5.34 Inverter Cooling Fan
11.5.34.1 Removing the Inverter Cooling Fan (FM9)
11.5.35 Pre-Transfer Charging Assembly Fan
11.5.35.1 Removing the Pre-Transfer Charging Assembly Fan (FM10)
11.5.36 Power Supply Cooling Fan 1
11.5.36.1 Removing the Power Supply Cooling Fan 1 (FM11)
11.5.36.2 Removing the Power Supply Cooling Fan 1 (FM11)
11.5.37 Power Supply Cooling Fan 2
11.5.37.1 Removing the Power Supply Cooling Fan 2 (FM12)
11.5.37.2 Removing the Power Supply Cooling Fan 2 (FM12)
11.5.38 Separation Fan
11.5.38.1 Removing the Separation Fan (FM13)
11.5.38.2 Removing the Separation Fan (FM13)
11.5.39 Developing Fan
11.5.39.1 Removing the Developing Fan (FM15)
11.5.39.2 Removing the Developing Fan (FM15)
11.5.40 Delivery Anti-Adhesion Fan
11.5.40.1 Removing the Delivery Anti-Adhesion Fan (FM17)
11.5.40.2 Removing the Delivery Anti-Adhesion Fan (FM17)
11.5.41 Duplex Feed Fan
11.5.41.1 Removing the Duplex Feed Fan (FM19)
11.5.42 Separation Heat Discharge Fan
11.5.42.1 Removing the Separation Heat Discharge Fan (FM20)
11.5.43 LCD Panel
11.5.43.1 Removing the LCD Panel
11.5.43.2 Removing the LCD Panel
11.5.43.3 Removing the LCD Panel

Chapter 12: MEAP
12.1 MEAP
12.1.1 Overview
12.1.2 MEAP Counter
12.1.3 Construction of the MEAP Platform

Chapter 13: Maintenance and Inspection
13.1 Periodically Replaced Parts
13.1.1 Overview
13.1.2 Overview
13.1.3 Main Body
13.1.4 Main body
13.1.5 Main body
13.2 Durables and Consumables
13.2.1 Overview
13.2.2 Overview
13.2.3 Main Body
13.2.4 Main body
13.2.5 Main body
13.2.6 Main body
13.2.7 Side Paper Deck
13.2.8 Side Paper Deck
13.3 Scheduled Servicing Basic Procedure
13.3.1 Scheduled Service Chart
13.3.2 Scheduled Service Chart
13.3.3 Scheduled Service Chart
13.3.4 Scheduled Service Chart
13.3.5 Scheduled Service Items
13.3.6 Scheduled Service Items
13.3.7 Scheduled Service Items
13.3.8 Scheduled Service Items
13.3.9 Scheduled Service Work
13.3.10 Scheduled Maintenance Work Procedure
13.3.11 Scheduled Maintenance Work Procedure
13.3.12 Points to Note for Scheduled Servicing Work
13.3.13 Point to Note on Scheduled Servicing
13.3.14 Point to Note on Scheduled Servicing

Chapter 14: Standards and Adjustments
14.1 Image Adjustment Basic Procedure
14.1.1 Making Pre-Checks
14.1.2 Making Pre-Checks
14.1.3 Making Checks on the Printer Side (Checking the Images)
14.1.4 Making Checks on the Printer Side (Checking the Density Slope)
14.1.5 Making Checks on the Printer Side (Checking the Solid Black Density)
14.1.6 Making Checks on the Printer Side (Checking for fogging)
14.1.7 Making Checks on the Printer Side (Checking Halftone Density)
14.1.8 Making Checks on the Scanner Side (Initial Checks)
14.1.9 Making Checks on the Scanner Side (Checking the Density Slope)
14.1.10 Making Checks on the Scanner Side (Checking the Density Slope)
14.1.11 Making Checks on the Scanner Side (Checking for fogging)
14.1.12 Making Checks on the Scanner Side(Checking Halftone Density)
14.1.13 Making Checks on the Scanner Side(Initial Checks)
14.1.14 Making Checks on the Scanner Side(Checking the Density Slope)
14.1.15 Making Checks on the Scanner Side(Checking the Solid Black)
14.1.16 Making Checks on the Scanner Side(Checking for fogging)
14.1.17 Making Checks on the Scanner Side(Checking Halftone Density)
14.1.18 Potential Control System Conversion Table
14.2 Image Adjustments
14.2.1 Overview
14.2.2 Outline
14.2.3 Conversion Table for the Potential Control System
14.2.4 Adjusting the Image Position for Printer Output
14.2.5 Adjusting the Image Position for Printer Output
14.2.6 Adjusting the Image Position of Copier Output (book mode)
14.2.7 Adjusting the Image Position for Copier Output (book mode)
14.2.8 Adjusting the Image Position of Copier Output (ADF mode)
14.2.9 Adjusting the Image Position for Copier Output (ADF mode)
14.3 Scanning System
14.3.1 When Replacing the CCD Unit
14.3.2 Points to Note when Replacing the CCD Unit
14.3.3 Points to Note when Replacing the CCD Unit
14.3.4 When Replacing the Standard White Plate
14.3.5 When Replacing the Standard White Plate
14.3.6 When Replacing the Scanning Lamp
14.3.7 When Replacing the Scanning Lamp
14.3.8 After Replacing the Scanning Lamp
14.3.9 Points to Note When Replacing the reader controller PCB
14.3.10 When Replacing the Reader Controller PCB
14.3.11 When Replacing the Reder controller PCB
14.4 Laser Exposure System
14.4.1 Points to Note When Replacing the Laser Unit
14.4.2 When Replacing the Laser Unit
14.4.3 Checking the Laser Power
14.4.4 Checking the Laser Power
14.4.5 Checking the Laser Power
14.5 Image Formation System
14.5.1 Adjusting the Height of the Charging Wire
14.6 Fixing System
14.6.1 Adjusting the Lower Roller Pressure (nip)
14.6.2 Adjusting the Lower Roller Pressure (nip)
14.7 Electrical Components
14.7.1 Electrical Parts Requiring Work After Replacement
14.7.2 Electrical Components Requiring Work After Replacement
14.7.3 Electrical Parts Requiring Work After Replacement
14.7.4 When Replacing the HDD
14.7.5 When Replacing the Main Controller PCB
14.7.6 Replacing the Main Controller PCB
14.7.7 When Replacing the Main Controller PCB
14.7.8 When Replacing the HV-DC PCB
14.7.9 When Replacing the DC Controller PCB
14.7.10 When Replacing the DC Controller PCB
14.7.11 Replacing the Potential Sensor/Potential Control PCB
14.7.12 When Replacing the HV-DC PCB
14.7.13 Checking the Surface Potential Control System
14.7.14 When Replacing the Potential Sensor/Potential Control PCB
14.7.15 Replacing the Potential Sensor/Potential Control PCB
14.7.16 Checking the Surface Potential Control System
14.7.17 Checking the Surface Potential Control System
14.7.18 Checking the Environment Sensor
14.7.19 Checking the Environment Sensor
14.7.20 Checking the Photointerrupters
14.7.21 Checking the Photointerrupters
14.7.22 Checking the Photointerrupters
14.7.23 Checking the Optical Sensors
14.7.24 Checking the Photointerrupters
14.8 Pickup/Feeding System
14.8.1 Orientation of the Deck/Cassette Pickup Roller
14.8.2 Orientation of the Deck/Cassette Pickup Roller
14.8.3 Orientation of the Deck/Cassette Separation Roller
14.8.4 Orientation of the Deck/Cassette Separation Roller
14.8.5 Orientation of the Feeding Roller of the Deck/Cassette Pickup Assembly
14.8.6 Orientation of the Feeding Roller of the Deck/Cassette Pickup Assembly
14.8.7 Orientation of the Pickup Roller of the Manual Feed Tray/Side Paper
14.8.8 Orientation of the Pickup Roller of the Manual Feed Tray/Side Paper Deck
14.8.9 Orientation of the Feeding Roller of the Manual Feed Tray
14.8.10 Orientation for the Feeding Roller of the Manual Feed Tray
14.8.11 Orientation of the Feeding Roller of the Side Paper Deck
14.8.12 Orientation of the Feeding Roller of the Side Paper Deck
14.8.13 Adjusting the Pressure of the Deck/Cassette Separation Roller
14.8.14 Adjusting the Pressure of the Separation Roller of the Deck/Cassette
14.8.15 Adjusting the Pressure of the Pickup/Feeding Roller of the Manual
14.8.16 Adjusting the Pressure of the Pickup/Feeding Roller of the Manual Feed Tray
14.8.17 Locations of the Solenoid
14.8.18 Position of the Solenoids
14.8.19 Location of the Fixing Web Solenoid (SL2)
14.8.20 Position of the Fixing Web Solenoid (SL2)
14.8.21 Position of the Delivery Flapper Solenoid (SL3)
14.8.22 Position of the Delivery Flapper Solenoid (SL3)
14.8.23 Position the Fixing/Feeder Unit Locking Solenoid (SL4)
14.8.24 Position of the Fixing Feeding Unit Locking Solenoid (SL4)
14.8.25 Position of the Multifeeder Latch Solenoid (SL6)
14.8.26 Adjusting the Position for the Multifeeder Pickup Latch Solenoid (SL6)
14.8.27 Position of the Deck (right) Pickup Solenoid (SL7)
14.8.28 Position of the Deck (right) Pickup Solenoid (SL7)
14.8.29 Position of the Deck (Left) Pickup Solenoid (SL8)
14.8.30 Position of the Deck (left) Pickup Solenoid (SL8)
14.8.31 Position of the Cassette 3/4 Pickup Solenoid (SL9/10)
14.8.32 Position for the Cassette 3/4 Pickup Solenoid (SL9/10)
14.8.33 Position of the Side Paper Deck Pickup Roller Releasing Solenoid
14.8.34 Position of the Side Paper Deck Pickup Roller Releasing Solenoid
14.8.35 Fitting the Side Guide Timing Belt of the Manual Feed Tray Assembly
14.8.36 Attaching the Timing Belt for the Manual Feed Tray Assembly Side Guide
14.8.37 Fitting the Drive Belt
14.8.38 Attaching the Drive Belts

Chapter 15: Correcting Faulty Images
15.1 Making lnitial Checks
15.1.1 Checking the Side of Installation
15.1.2 Checking the Originals
15.1.3 Checking the Copyboard Cover, Copyboard Glass, and Standard White Plate
15.1.4 Checking the Charging Assemblies
15.1.5 Checking the Developing Assembly
15.1.6 Checking the Developing Assembly
15.1.7 Checking the Paper
15.1.8 Checking the Periodically Replaced Parts
15.1.9 Others
15.1.10 Others
15.2 Troubleshooting
15.2.1 Countermeasures
15.2.1.1 Lead edge voids of paper due to retransferring iR105
15.2.1.2 Black lines: when using ADF
15.2.1.3 E220-0001: the inverter PCB is not properly grounded Error Code
15.2.1.4 E712-0001/E712-0002 Error Code
15.2.1.5 E743-0000 Error Code
15.2.2 Image Faults
15.2.2.1 Foggy Image
15.2.2.2 Out of Focus
15.2.2.3 Smudged/Streaked
15.2.3 Malfunction
15.2.3.1 No Power
15.2.3.2 Malfunction/Faulty Detection
15.2.3.3 User Warning Message
15.2.3.4 Other Defect
15.2.4 Printing/scanning
15.2.4.1 No Output
15.2.5 Jam (Main Unit)
15.2.5.1 JAM CODE 010C, 020A: External delivery sensor arm being shaved
15.2.5.2 JAM CODE 010C: Malfunction of solenoid arm actuating delivery reversal flapper
15.2.6 Jam (FIN)
15.2.6.1 JAM CODE 1123 Paper Folding Unit-C1
15.2.6.2 JAM CODE 1129/E577 Error Code: FIN-K1/K2/K3/K4/K1N/K2/K3N
15.2.7 Error Code
15.2.7.1 E065: due to faulty HV-DC transformer PCB Error Code
15.2.7.2 E240 Error Code, Control panel locking up, power suddenly being shut down
15.2.7.3 E245/E246/E247 Error Code
15.2.7.4 E350 Error Code
15.2.7.5 E354 Error Code
15.2.7.6 E355 Error Code
15.2.7.7 E402 DADF-J1: ADF belt motor does not rotate Error Code
15.2.7.8 E532 Finisher-K1/K2/K3/K4N Error Code
15.2.8 Specifications-related FAQ
15.2.8.1 FAQ on Main Unit Specifications
15.2.8.2 FAQ on Send Specifications
15.3 Outline of Electrical Components
15.3.1 Clutch/Solenoid
15.3.1.1 Clutches
15.3.1.2 Clutches
15.3.1.3 Clutches
15.3.1.4 Solenoids
15.3.1.5 Solenoids
15.3.1.6 Solenoids
15.3.2 Motor
15.3.2.1 Motors
15.3.2.2 Motors
15.3.2.3 Motors
15.3.2.4 Motors
15.3.3 Fan
15.3.3.1 Fans
15.3.3.2 Fans
15.3.3.3 Fans
15.3.3.4 Fans
15.3.4 Sensor
15.3.4.1 Sensor 1
15.3.4.2 Sensor 1
15.3.4.3 Sensor 1
15.3.4.4 Sensor 1
15.3.4.5 Sensor 2
15.3.4.6 Sensor 2
15.3.4.7 Sensor 2
15.3.4.8 Sensor 2
15.3.5 Switch
15.3.5.1 Switches
15.3.5.2 Switches
15.3.5.3 Switches
15.3.6 Lamps, Heaters, and Others
15.3.6.1 Lamp, Heater, and Others
15.3.6.2 Lamp, Heater, and Others
15.3.6.3 Lamp, Heater, and Others
15.3.6.4 Lamp, Heater, and Others
15.3.7 PCBs
15.3.7.1 PCBs
15.3.7.2 PCBs
15.3.7.3 PCBs
15.3.7.4 PCBs
15.3.8 Plane Pedistal
15.3.8.1 Side Paper Deck-N1
15.3.9 Variable Resistors (VR), Light-Emitting Diodes (LED), and Check Pins by PCB
15.3.9.1 Variable Resistors (VR), Light-Emitting Diodes (LED), and Check Pins by PCB
15.3.9.2 Variable Resistors (VR), Light-Emitting Diodes (LED), and Check Pins by PCB
15.3.9.3 Main Controller PCB
15.3.9.4 Main Controller PCB
15.3.9.5 Reader Controller PCB
15.3.9.6 Reader Controller PCB
15.3.9.7 Reader Controller PCB
15.3.9.8 DC controller PCB
15.3.9.9 DC controller PCB
15.3.9.10 HV-DC PCB
15.3.9.11 HV-DC PCB

Chapter 16: Self Diagnosis
16.1 Error Code Table
16.1.1 Outline
16.1.2 Outline
16.1.3 Error Code List
16.1.4 Error Code List
16.1.5 Error Code List
16.2 Error Code Details
16.2.1 Error Code Detail
16.2.2 Error Code Detail
16.2.3 Error Code Detail
16.2.4 E602 in Detaill
16.3 Jam Code
16.3.1 Jam Code (Main Body-related)
16.3.2 Jam Code (Main Body-related)
16.3.3 Jam Code (Finisher-related)
16.3.4 Jam Code (ADF-related)
16.3.5 Jam Code (ADF-related)
16.4 Alarm Code
16.4.1 Alarm Code
16.4.2 Alarm Code
16.4.3 Alarm Code

Chapter 17: Service Mode
17.1 Outline
17.1.1 Construction of Service Mode(iR105)
17.1.2 Service mode screen configuration
17.1.3 Service mode screen configuration
17.1.4 Starting Service Mode and Making Selections(iR105)
17.1.5 Entering or selecting service modes
17.1.6 Entering or selecting service modes
17.1.7 Ending Service Mode(iR105)
17.1.8 Exiting service modes
17.1.9 Backing Up Service Mode
17.1.10 Backing Up Service Mode
17.1.11 Initial Screen(iR105)
17.1.12 Initial screen
17.1.13 Initial screen
17.1.14 Level 1/2 Screen(iR105)
17.1.15 Main/intermediate item screen
17.1.16 Level 3 Screen(iR105)
17.1.17 Sub-item screen
17.2 DISPLAY (Status Display Mode)
17.2.1 COPIER
17.2.1.1 Copier List
17.2.1.2 Copier List
17.2.1.3 Copier List
17.2.1.4 Copier List
17.2.2 FEEDER
17.2.2.1 Feeder List
17.2.2.2 Feeder List
17.2.2.3 Feeder List
17.3 I/O (I/O Display Mode)
17.3.1 Overview
17.3.2 Overview
17.3.3 DC-CON
17.3.4 DC-CON
17.3.5 R-CON
17.3.6 R-CON
17.3.7 FEEDER
17.3.8 FEEDER
17.3.9 SORTER
17.3.10 MN-CON(iR105)
17.4 ADJUST (Adjustment Mode)
17.4.1 COPIER
17.4.1.1 Copier List
17.4.1.2 Copier List
17.4.1.3 Copier List
17.4.1.4 Copier List
17.4.2 FEEDER
17.4.2.1 Feeder List
17.4.2.2 Feeder List
17.4.2.3 Feeder List
17.4.3 SORTER
17.4.3.1 Sorter List
17.4.3.2 Sorter List
17.4.3.3 Sorter List
17.4.3.4 Sorter List
17.5 FUNCTION (Operation/Inspection Mode)
17.5.1 COPIER
17.5.1.1 Copier List
17.5.1.2 Copier List
17.5.1.3 Copier List
17.5.1.4 Copier List
17.5.2 FEEDER
17.5.2.1 Feeder List
17.5.2.2 Feeder List
17.5.2.3 Feeder List
17.6 OPTION (Machine Settings Mode)
17.6.1 COPIER
17.6.1.1 Copier List
17.6.1.2 Copier List
17.6.1.3 Copier List
17.6.1.4 Copier List
17.6.2 FEEDER
17.6.2.1 Feeder List
17.6.2.2 Feeder List
17.6.2.3 Feeder List
17.6.3 SORTER
17.6.3.1 Sorter List
17.6.3.2 Sorter List
17.6.3.3 Sorter List
17.6.3.4 Sorter List
17.6.4 BOARD
17.6.4.1 Board List
17.6.4.2 Board List
17.6.4.3 Board List
17.6.4.4 Board List
17.7 TEST (Test Print Mode)
17.7.1 COPIER
17.7.1.1 Copier List
17.7.1.2 Copier List
17.7.1.3 Copier List
17.7.1.4 Copier List
17.8 COUNTER (Counter Mode)
17.8.1 COPIER
17.8.1.1 Copier List
17.8.1.2 Copier List
17.8.1.3 Copier List
17.8.1.4 Copier List

Chapter 18: Upgrading
18.1 Outline
18.1.1 Outline of Version upgrade
18.1.2 Outline of Version upgrade
18.1.3 Outline of the Service Support Tool
18.2 Making Preparations
18.2.1 Registering the Firmware
18.2.2 Registering the Firmware
18.2.3 Making Connections
18.3 Formatting the HDD
18.3.1 Formatting All Partitions
18.3.2 Formatting Selected Partitions
18.3.3 Formatting the Partitions
18.4 Downloading System Software
18.4.1 Downloading System
18.4.1.1 Downloading Procedure
18.4.2 Downloading RUI, and Language
18.4.2.1 Outline
18.4.2.2 Downloading Procedure
18.4.3 Downloading SDICT
18.4.3.1 Downloading Procedure
18.4.4 Downloading MEAPCONT
18.4.4.1 Downloading Procedure
18.4.5 Downloading KEY
18.4.5.1 Outline
18.4.5.2 Downloading Procedure
18.4.6 Downloading BOOT
18.4.6.1 Outline
18.4.6.2 Downloading Procedure
18.4.7 Downloading Dcon and Rcon
18.4.7.1 Outline
18.4.7.2 Outline
18.4.7.3 Outline
18.4.8 Other Upgrade Methods
18.4.8.1 Upgrading by Replacing the DIMM/ROM
18.4.8.2 Upgrading by Replacing the DIMM/ROM
18.4.8.3 Upgrading by Replacing the DIMM/ROM
18.4.9 Uploading and Downloading Backup Data
18.4.9.1 Outline
18.4.9.2 Uploading Procedure
18.4.9.3 Procedure for Downloading

Chapter 19: Service Tools
19.1 Service Tools
19.1.1 Special Tools Table
19.1.2 Special Tools Table
19.1.3 Solvents/Oils
19.1.4 Solvents/Oils

Numbers of pages: 1122.