Canon iR2422 iR2420 iR2320 iR2318 Series Service Manual

Service Manual Canon imageRUNNER 2422 imageRUNNER 2420 imageRUNNER R2320 imageRUNNER 2318 Series;
This manual is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Canon Series 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 imageRUNNER 2422 imageRUNNER 2420 imageRUNNER R2320 imageRUNNER 2318 Series 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 Pickup/ Delivery /Original Handling Accessories System Configuration (1-cassette/Platen cover (option) model) 1- 1
1.1.2 Pickup/ Delivery /Original Handling Accessories System Configuration (1-cassette/Platen cover (standard) model)1-
1.1.3 Pickup/ Delivery /Original Handling Accessories System Configuration (2-cassette/Duplex unit (option) model)
1.1.4 Pickup/ Delivery /Original Handling Accessories System Configuration (2-cassette/Duplex unit (standard) model)
1.1.5 Reader Heater/ Cassette Heater System Configuration
1.1.6 Printing/Transmitting Accessories System Configuration
1.2 Product Specifications
1.2.1 Names of Parts
1.2.1.1 External View (1-cassette model)
1.2.1.2 External View (2-cassette model)
1.2.1.3 Cross-Section
1.2.2 Using the Machine
1.2.2.1 Turning On the Power Switch (1-cassette model)
1.2.2.2 Turning On the Power Switch (2-cassette model)
1.2.2.3 When Turning Off the Main Power Switch (1-cassette model)
1.2.2.4 When Turning Off the Main Power Switch (2-cassette model)
1.2.2.5 Control Panel
1.2.3 User Mode Items
1.2.3.1 Audible Tones
1.2.3.2 Common Settings
1.2.3.3 Copy Settings
1.2.3.4 Printer Settings
1.2.3.5 Timer Settings
1.2.3.6 Adjustment/Cleaning
1.2.3.7 Report Settings
1.2.3.8 System Settings
1.2.3.9 Network Settings
1.2.4 Maintenance by the User
1.2.4.1 User Maintenance Items
1.2.4.2 Cleaning
1.2.5 Safety
1.2.5.1 Safety of the Laser Light
1.2.5.2 CDRH Regulations
1.2.5.3 Handling the Laser Unit
1.2.5.4 Safety of Toner
1.2.5.5 Point to Note about Fire
1.2.6 Product Specifications
1.2.6.1 Product Specifications
1.2.7 Function List
1.2.7.1 Printing Speed (iR2422series)
1.2.7.2 Printing Speed (iR2420/iR2320series)
1.2.7.3 Printing Speed (iR2318series)

Chapter 2. INSTALLATION
2.1 Making Pre-Checks
2.1.1 Selecting the Site of Installation
2.1.2 Before Starting the Work (120VCLA)
2.1.3 Before Starting the Work (230VCLA)
2.1.4 Before Starting the Work (230VEUR)
2.1.5 Before Starting the Work (230VCSPL)
2.1.6 Before Starting the Work (230V CCN)
2.2 Unpacking and Installation
2.2.1 Unpacking and Removing the Packaging Materials
2.2.2 Installing the Drum Unit
2.2.3 Installing the Toner Bottle
2.2.4 Setting the Cassettes
2.2.5 Checking the Image Quality
2.3 Flow of Accessory Installation
2.3.1 Flow of Accessary Installation
2.4 Installing the Heater PCB
2.4.1 Preparing the parts
2.4.2 Preparing the Host Machine
2.4.3 Installing the Heater PCB
2.5 Installing the Reader Heater
2.5.1 Preparing the parts
2.5.2 Installing the Reader Heater Harness
2.5.3 Removing Reader Components
2.5.4 Removing Parts at the Left of the Reader
2.5.5 Installing the Reader Heater
2.6 Installing the Cassette Heater
2.6.1 Preparing the parts
2.6.2 Installing the Cassette Heater

Chapter 3. MAIN CONTROLLER
3.1 Construction
3.1.1 Constraction and Mechanisms
3.2 Construction of the Electrical Circuitry
3.2.1 Image processor PCB
3.3 Image Processing
3.3.1 Overview of Image flow
3.3.2 Configration of Image processing Module
3.3.3 Reader entry Image processing
3.3.4 Compression/extension/edit processing block
3.3.5 Printer output Image processing
3.4 Flow of Image Data
3.4.1 Image data flow of copy function
3.4.2 Image data flow of BDL function
3.5 Parts Replacement Procedure
3.5.1 Main Controller PCB
3.5.1.1 Preparation for Removing the image processor PCB
3.5.1.2 Removing the Image Processor PCB
3.5.1.3 Procedure after Replacing the Image Processor PCB

Chapter 4. ORIGINAL EXPOSURE SYSTEM
4.1 Construction
4.1.1 Specifications, Control Methods, and Functions (When the original size detection sensor is equipped for BOOK mode)
4.1.2 Specifications, Control Methods, and Functions (When the original size detection sensor is not equipped for BOOK mode)
4.1.3 Major Components (When the original size detection sensor is equipped for BOOK mode)
4.1.4 Major Components (When the original size detection sensor is not equipped for BOOK mode)
4.1.5 Control System Configuration (When the original size detection sensor is equipped for BOOK mode)
4.1.6 Control System Configuration (When the original size detection sensor is not equipped for BOOK mode)
4.1.7 Reader Controller PCB (When the original size detection sensor is equipped for BOOK mode)
4.1.8 Reader Controller PCB (When the original size detection sensor is not equipped for BOOK mode)
4.2 Basic Sequence
4.2.1 Basic Sequence at Power-on
4.2.2 Basic Sequence after Depression of Start Key (Book mode, One Sheet of original)
4.3 Various Control
4.3.1 Controlling the Scanner Drive System
4.3.1.1 Outline
4.3.1.2 Reader Motor Control
4.3.2 Contact Image Sensor (CIS)
4.3.2.1 Outline
4.3.2.2 Analog Control Performed by the CIS
4.3.3 Enlargement/Reduction
4.3.3.1 Magnification Change in Vertical Scan Direction
4.3.3.2 Magnification Change in Horizontal Scan Direction
4.3.4 Detecting the Size of Originals
4.3.4.1 Outline
4.3.4.2 Outline of Original Size Detection
4.3.5 Dirt Sensor Control
4.3.5.1 Outline
4.3.6 Image Processing
4.3.6.1 Outline
4.3.6.2 CMOS Sensor Drive
4.3.6.3 CMOS Sensor Output Gain Correction and Offset Correction
4.3.6.4 CMOS Sensor Output A/D Conversion
4.3.6.5 Shading Correction (Outline)
4.3.6.6 Shading Adjustment
4.3.6.7 Shading Correction
4.4 Parts Replacement Procedure
4.4.1 Copyboard glass
4.4.1.1 Removing the Copyboard glass
4.4.1.2 Removing the ADF Reading Glass (only for ADF equipment)
4.4.2 Reader Controller PCB
4.4.2.1 Removing the Reader Controller PCB (When the original size detection sensor is not equipped for BOOK mode)
4.4.2.2 Removing the Reader Controller PCB (When the original size detection sensor is equipped for BOOK mode)
4.4.3 Scanner Motor
4.4.3.1 Removing the Scanner Motor
4.4.4 Contact sensor
4.4.4.1 Removing the Contact Image Sensor (CIS)
4.4.4.2 Procedure after Replacing the CIS
4.4.5 Copyboard Cover Open/Close Sensor
4.4.5.1 Removing the Copyboard Cover Open/Close Sensor (Front/Rear)
4.4.6 Contact Sensor HP Sensor
4.4.6.1 Removing the Contact Sensor HP Sensor (When the ADF is not installed)
4.4.6.2 Removing the Contact Sensor HP Sensor (When the ADF is installed)
4.4.7 Original Size Sensor
4.4.7.1 Removing the Original Sensor (Vertical Scan Direction) (When the original size detection sensor is equipped for BOOK mode)
4.4.7.2 Removing the Original Sensor (Horizontal Scan Direction) (When the original size detection sensor is equipped for BOOK mode)
4.4.8 Reader Heater (option)
4.4.8.1 Removing the Reader Heater (Right)
4.4.8.2 Removing the Reader Heater (Left) (When the ADF is not installed)
4.4.8.3 Removing the Reader Heater (Left) (When the ADF is installed)

Chapter 5. LASER EXPOSURE
5.1 Construction
5.1.1 Overview
5.1.2 Specifications and Control Mechanism
5.1.3 Main Components
5.1.4 Control System Configuration
5.2 Various Controls
5.2.1 Controlling the Laser Activation Timing
5.2.1.1 Laser Emission ON/OFF Control
5.2.1.2 Horizontal Synchronization Control
5.2.2 Controlling the Intensity of Laser Light
5.2.2.1 Automatic Photocurrent Control (APC)
5.2.3 Controlling the Laser Scanner Motor
5.2.3.1 Laser Scanner Motor Control
5.2.4 Controlling the Laser Shutter
5.2.4.1 Laser Shutter Control
5.3 Parts Replacement Procedure
5.3.1 Laser Scanner Unit
5.3.1.1 Removing the Laser Scanner Unit

Chapter 6. IMAGE FORMATION
6.1 Construction
6.1.1 Specifications of Image Formation System
6.1.2 Major Components of Image Formation System
6.2 Image Formation Process
6.2.1 Image Formation Process
6.3 Basic Sequence
6.3.1 Basic Sequence of Operation
6.4 Driving and Controlling the High-Voltage System
6.4.1 Outline
6.5 Drum Unit
6.5.1 Outline of the Drum Unit
6.5.1.1 Outline
6.5.2 Charging Mechanism
6.5.2.1 Primary Charging Bias Control
6.6 Developing Unit
6.6.1 Outline
6.6.2 Developing Bias Control
6.7 Toner Container
6.7.1 Outline
6.8 Transfer Unit
6.8.1 Outline of the Transfer Unit
6.8.1.1 Outline
6.8.2 Controlling the Transfer Bias
6.8.2.1 Transfer Roller Bias Control
6.8.3 Separation Mechanism
6.8.3.1 Static Eliminator Bias Control
6.9 Photosensitive Drum Cleaning
6.9.1 Outline
6.9.2 Waste Toner Full Detection
6.10 Parts Replacement Procedure
6.10.1 Drum Unit
6.10.1.1 Removing the Drum Unit
6.10.2 Developing Assembly
6.10.2.1 Removing the Developing Assembly
6.10.2.2 Precautions about Installation of Developing Assembly
6.10.2.3 Procedure after Replacing the Developing Assembly
Contents
6.10.3 Transfer Charging Roller
6.10.3.1 Removing the Transfer Charging Roller

Chapter 7. PICKUP/FEEDING SYSTEM
7.1 Construction
7.1.1 Specifications/Configuration/Operation Methods
7.1.2 Locations of Main Units (When the duplex unit is not equipped)
7.1.3 Locations of Main Units (When the duplex unit is equipped)
7.1.4 Roller Layout Drawing
7.1.5 Paper Path Drawing(Printer on its own)
7.1.6 Paper Path Drawing(Finisher-U2)
7.1.7 Paper Path Drawing(Duplex Unit-A1(option)/Finisher-U2)
7.1.8 Paper Path Drawing(Duplex Unit-A1(standard)/Finisher-U2)
7.1.9 Paper Path Drawing(Duplex-A1(option))
7.1.10 Paper Path Drawing(Duplex-A1(standard))
7.1.11 Paper Path Drawing(Duplex-A1(option)/Inner 2Way Tray-E2)
7.1.12 Paper Path Drawing(Duplex-A1(standard)/Inner 2Way Tray-E2)
7.1.13 Paper Path Drawing(Inner 2Way Tray-E2)
7.1.14 Sensor Layout Drawing (When the duplex unit is not equipped)
7.1.15 Sensor Layout Drawing (When the duplex unit is equipped)
7.2 Detecting Jams
7.2.1 Delay Jams
7.2.1.1 Delay Jam in Pickup Assembly
7.2.1.2 Delay Jam in Delivery Assembly (Paper Leading Edge Jam at Delivery Sensor/Wound Paper Jam at Fixing Assembly)
7.2.1.3 Duplex Paper Sensor 1 Delay Jam
7.2.1.4 Duplex Paper Sensor 2 Delay Jam
7.2.2 Stationary Jams
7.2.2.1 Stationary Jam in Pickup Assembly
7.2.2.2 Stationary Jam in Delivery Assembly (Paper Trailing Edge Stationary Jam at First Delivery Sensor/Stationary Jam at First
Delivery Sensor)
7.2.2.3 Duplex Paper Sensor 1 Stationary Jam
7.2.2.4 Duplex Paper Sensor 2 Stationary Jam
7.2.3 Other Jams
7.2.3.1 Door Open Jam
7.3 Cassette Pick-Up Unit
7.3.1 Overview
7.3.2 Cassette Pickup Operation
7.3.3 Cassette Paper Size Detection
7.4 Manual Feed Pickup Unit
7.4.1 Overview
7.4.2 Post-pickup Control after Multi Manual Feed Pickup
7.5 Parts Replacement Procedure
7.5.1 Pickup Roller
7.5.1.1 Removing the Cassette Paper Pickup Roller
7.5.2 Cassette
7.5.2.1 Removing the First Cassette Unit
7.5.2.2 Removing the Second Cassette Unit
7.5.3 Cassette Pickup Assembly
7.5.3.1 Removing the Cassette Pickup Assembly
7.5.4 Cassette Size Sensor
7.5.4.1 Removing the Paper Size Detection Switches
7.5.5 Cassette Retry Paper Sensor
7.5.5.1 Removing the Retry Sensor
7.5.6 Cassette Paper Sensor
7.5.6.1 Removing the Cassette Paper Presence/Absence Sensor
7.5.7 Cassette Pickup Solenoid
7.5.7.1 Removing the Cassette Pickup Solenoid
7.5.8 Manual Pickup Roller
7.5.8.1 Removing the Multifeeder Pickup Roller
7.5.9 Manual Feed Tray paper sensor
7.5.9.1 Removing the Multifeeder Paper Presence/Absence Sensor
7.5.10 Manual Feed Pickup Solenoid
7.5.10.1 Removing the Multifeeder Pickup Solenoid
7.5.11 Registration Roller
7.5.11.1 Removing the Registration Roller
7.5.12 Registration Clutch
7.5.12.1 Removing the Registration Clutch
7.5.13 Separation Roller
7.5.13.1 Removing the Feed and Separation Rollers
7.5.14 Separation Pad
7.5.14.1 Removing the Separation Pad

Chapter 8. FIXING SYSTEM
8.1 Construction
8.1.1 Specifications, Control Mechanisms, and Functions
8.1.2 Major Components
8.2 Various Control Mechanisms
8.2.1 Controlling the Speed of the Fixing Film
8.2.1.1 Controlling the Fixing Film Speed
8.2.2 Controlling the Fixing Film Temperature
8.2.2.1 Outline
8.2.2.2 Controlling the Fixing Film Temperature
8.2.2.3 Target Temperatures by Mode
8.2.3 Detecting the Passage of Paper
8.2.3.1 Detecting the Passage of Paper
8.3 Parts Replacement Procedure
8.3.1 Fixing Unit
8.3.1.1 Removing the Fixing Unit
8.3.2 Pressure Roller
8.3.2.1 Removing the Pressure Roller
8.3.3 Fixing Film
8.3.3.1 Removing the Fixing Film Unit
8.3.4 Fixing Delivery Sensor
8.3.4.1 Removing the Fixing Delivery Sensor
8.3.5 Fixing Film Sensor
8.3.5.1 Removing the Fixing Film Sensor

Chapter 9. EXTERNAL AND CONTROLS
9.1 Control Panel
9.1.1 Overview
9.2 Fans
9.2.1 Overview
9.2.2 Fan Control
9.3 Power Supply System
9.3.1 Power Supply
9.3.1.1 Outline (When the duplex unit is not equipped)
9.3.1.2 Outline (When the duplex unit is equipped)
9.3.1.3 Rated Output of the Power Supply PCB
9.3.2 Protection Function
9.3.2.1 Protective Mechanisms
9.4 Parts Replacement Procedure
9.4.1 External Covers
9.4.1.1 Delivery Tray
9.4.1.2 Right Cover (Lower)
9.4.1.3 Right Cover (Upper)
9.4.1.4 Rear Cover
9.4.1.5 Left Cover (Lower)
9.4.1.6 Left Cover (Rear)
9.4.1.7 Reader Front Cover
9.4.1.8 Reader Rear Cover
9.4.2 Main Drive Assembly
9.4.2.1 Removing the Main Drive Unit
9.4.3 Fixing Drive Assembly
9.4.3.1 Removing the Fixing Drive Unit
9.4.4 Power Supply Unit
9.4.4.1 Removing the Main Power Supply PCB
9.4.5 Control Panel
9.4.5.1 Removing the Operation Panel Unit
9.4.6 DC Controller PCB
9.4.6.1 Removing the DC Controller PCB
9.4.7 Option Power Supply PCB
9.4.7.1 Removing the Option Power Supply PCB
9.4.8 HVT PCB
9.4.8.1 Removing the HVT PCB
9.4.9 Fixing Heat Discharge Fan
9.4.9.1 Removing the Fan Filter (Non Duplex Unit)
9.4.9.2 Removing the Fan Filter (With Duplex Unit Type)
9.4.10 Fixing Driver Motor
9.4.10.1 Removing the Fixing Unit Drive Motor
9.4.11 Left Door
9.4.11.1 Removing the Left Door (Non Duplex Unit Type)
9.4.11.2 Removing the Left Door (With Duplex Unit Type)

Chapter 10. MAINTENANCE AND INSPECTION
10.1 Periodically Replaced Parts
10.1.1 Overview
10.1.2 Reader Unit
10.1.3 Printer Unit
10.2 Durables and Consumables
10.2.1 Overview
10.2.2 Reader Unit
10.2.3 Printer Unit
10.3 Scheduled Servicing Basic Procedure
10.3.1 Scheduled Servicing

Chapter 11. STANDARDS AND ADJUSTMENTS
11.1 Scanning System
11.1.1 Procedure after Replacing the CIS
11.2 Image Formation System
11.2.1 Procedure after Replacing the Developing Assembly
11.3 Electrical Components
11.3.1 Procedure after Replacing the Image Processor PCB

Chapter 12. CORRECTING FAULTY IMAGES
12.1 Making Initial Checks
12.1.1 Site Environment
12.1.2 Checking the Paper
12.1.3 Checking the Placement of Paper
12.1.4 Checking the Durables
12.1.5 Checking the Units and Functional Systems
12.1.6 Others
12.2 Outline of Electrical Components
12.2.1 Clutch/Solenoid
12.2.1.1 List of Clutches/Solenoids
12.2.2 Motor
12.2.2.1 List of Motors
12.2.3 Fan
12.2.3.1 List of Fans
12.2.4 Sensor
12.2.4.1 List of Sensors
12.2.5 Switch
12.2.5.1 List of Switches
12.2.6 Lamps, Heaters, and Others
12.2.6.1 List of Lamps, Heaters, and Others
12.2.7 PCBs
12.2.7.1 List of PCBs

Chapter 13. SELF DIAGNOSIS
13.1 Error Code Table
13.1.1 List of Error Codes
13.2 Error Code Details
13.2.1 Error Code Details
13.3 Jam Code
13.3.1 Jam Codes (Related to Printer Unit)
13.3.2 Jam Codes (Related to Finisher)
13.3.3 Jam Codes (Related to ADF)
13.3.4 Jam Codes (Related to Duplex Unit)
13.3.5 Jam Codes (Related to Inner 2-way Tray)
13.4 Finisher Error Codes
13.4.1 Error Code Details
Chapter 14 Service Mode
14.1 Outline
14.1.1 Outline of Service Mode
14.1.2 Using the Service Mode
14.2 Default settings
14.2.1 Service Mode Menus
14.3 Services Choice
14.3.1 Scan Setting
14.3.2 Printer Setting
14.4 Adjust
14.4.1 CIS Position Adjust
14.4.2 Reading Position Adjust
14.4.3 Print Position
14.5 Counter
14.5.1 Outline
14.6 Display
14.6.1 Version Display
14.6.2 Error Code Display
14.7 Report
14.7.1 Outline
14.7.2 Service Data List
14.7.3 Service Label
14.7.4 Error Log Report
14.8 Clear Data
14.8.1 Outline
14.9 Test
14.9.1 Outline
14.9.2 DRAM Test
14.9.3 Scanner Test
14.9.4 Printer Test
14.9.5 Aging Test
14.9.6 Factory Test
14.9.7 Roller Clear Mode
14.9.8 Video I/F Test

Chapter 15. UPGRADING
15.1 Outline
15.1.1 Overview of Upgrade
15.2 Downloading System Software
15.2.1 Downloading System
15.2.1.1 Downloading Procedure
15.2.2 Downloading BOOT
15.2.2.1 Downloading Procedure

Chapter 16. SERVICE TOOLS
16.1 Service Tools
16.1.1 Special Tools
16.1.2 Oils and Solvents

Number of pages: 286.